|History of the United States|
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The first residents of what is now the United States immigrated from Asia prior to 15,000 years ago by crossing Beringia into Alaska. Archaeological evidence of these peoples, the ancestors of the Native Americans is dated to 14,000 years ago.
Christopher Columbus was the first European to land in the territory of what is now the United States when he arrived in Puerto Rico in 1493. The subsequent arrival of settlers from Europe began the colonial history of the United States. The Thirteen British colonies that would become the original US states, were founded along the east coast beginning in 1607. Spain, France and Russia also founded small settlements in what would become US territory. The Thirteen Colonies grew very rapidly, reaching 50,000 by 1650, 250,000 by 1700, and 2.5 million by 1775. High birth rates and low death rates were augmented by steady flows of immigrants from Europe as well as slaves from the West Indies. Occasional small-scale wars involved the French and Indians to the north, and the Spanish and Indians to the south. Religion was a powerful influence on many immigrants, especially the Puritans in New England and the German sects in Pennsylvania, with boosts from the revivals of the First Great Awakening. The colonies by the 1750s had achieved a standard of living about as high as Britain, with far more self government than anywhere else. Most free men owned their own farms and could vote in elections for the colonial legislatures, while local courts dispensed justice. Royal soldiers were rarely seen.
The colonists did not have representation in the ruling British government and believed they were being denied their constitutional rights as Englishmen. For many years, the home government had permitted wide latitude to local colonial governments. Beginning in the 1760s London demanded the colonists pay taxes. The new foreign taxes on stamps and tea ignited a firestorm of opposition. The British responded with military force in Massachusetts, and shut down the system of local self government in what the colonists called the Intolerable Acts.
After fighting broke out in April 1775, each of the colonies ousted all royal officials and set up their own governments, which were coordinated out of Philadelphia by the Continental Congress. The American Revolution escalated into all-out war. Despite local King George loyalists, the new nation declared independence in July 1776 as the United States of America. After Americans captured the British invasion army in 1777, France became a military ally, and the war became a major international war with evenly balanced forces. With the capture of a second British invasion army at Yorktown in 1781, the British opened peace negotiations. The Treaty of Paris in 1783 proved highly favorable to the new nation.
The new national government proved too weak, so and a Constitutional Convention was called in 1787 to create an alternative. The resulting Constitution of the United States ratified in 1788 created a federal government, based on the ideology of republicanism, equal rights, and civic duty. The first ten amendments known as the Bill of Rights quickly followed, guaranteeing many individual rights from federal interference. The new national government under President George Washington built a strong economic system, designed by Alexander Hamilton, that settled the wartime debts, created a national bank and sought economic growth based on cities and trade, more than farming. Hamilton formed the Federalist Party to gain wide local support for the new policies, which were opposed by Thomas Jefferson. The Jay Treaty of 1795 opened a decade of trade with Britain, which was at war with revolutionary France. Jefferson, a friend of France who feared British influence would undermine republicanism, set up an opposition party, and the First Party System based on voters in every state, began operation in the mid 1790s. Jefferson tried to coerce the British into recognizing America's neutral rights, stopping seizing sailors on American ships, and stop aiding hostile Indians in the West. When that failed the U.S. declared the War of 1812 against Britain. The war was militarily indecisive but guaranteed American independence, as well as friendly relations with the British Empire, which controlled Canada.
With the Louisiana Purchase in 1803 westward expansion of the United States crossed the Mississippi River. This was encouraged by the belief in Manifest Destiny, by which the United States would expand east to west, reaching the Pacific after the conquest of Mexico in 1848. The slaveholding South in 1861 tried to break away and form its own country in response to threats to its peculiar institution-- slavery. The Civil War lasting four years became deadliest war in American history. Under the leadership of Republican Abraham Lincoln the rebellion was crushed, the nation reunified. the slaves freed, and the South put under Reconstruction for a decade.
Very rapid economic growth, fueled by entrepreneurs who created great new industries in railroads, steel, coal, textiles, and machinery, manned by millions of immigrants from Europe (and some from Asia), built new cities overnight, making the U.S. the world's foremost industrial power. With Germany threatening to win World War I in part by sinking American ships, the U.S. entered the war in 1917, supplied the material, money and to a degree the soldiers needed to win. The U.S. partly dictated the peace terms, but refused to join the League of Nations, as it enjoyed unprecedented prosperity in the 1920s. The crash of 1929 started the worldwide Great Depression, which was long and severe for the entire country. A New Deal Coalition led by Franklin D. Roosevelt dominated national elections for years, and the New Deal in 1933-36 began a new era of federal regulation of the business, support for labor unions, and provision of relief for the unemployed and Social Security for the elderly.
The U.S. organized, funded and supplied the Allied cause in World War II, defeating Nazi Germany and Imperial Japan. Postwar hopes that the new United Nations would resolve the world's problems failed, as Europe was divided and the U.S. took the lead in the Cold War with a policy of containing Communist expansion. Containment led to wars in Korea (a stalemate) and Vietnam (lost). Economic prosperity after the war empowered families to move to the suburbs and engage in a Baby Boom that pushed the population from 140 million in 1940 to 203 million in 1970. The industrial economy based on heavy industry gave way to a service economy featuring health care and education, as America led the way to a computerized world. The end of the Cold War came in 1991 as Soviet Communism collapsed. The U.S. was the only military superpower left, but it was challenged for economic supremacy by China, which remained on good terms with the U.S. as it embraced capitalism and by 2010 was growing much more rapidly than the U.S.
The Civil Rights Movement ended Jim Crow and empowered black voters in the 1960s, leading to the movement of blacks into high government offices. However, the New Deal coalition collapsed in the mid 1960s in disputes over race and the Vietnam War. The Reagan Era of conservative national policies, deregulation and tax cuts took control with the election of Ronald Reagan in 1980. By 2010, commentators were debating whether the election of Barack Obama in 2008 represented an end of the Reagan Era, or was only a reaction against the bubble economy of the 2000s, which burst in 2008 and became the Late-2000s recession with prolonged unemployment.
The earliest known inhabitants of what is now the United States are thought to have arrived in Alaska by going across the Bering land bridge, at least 14,000 – 30,000 years ago. Some of these groups migrated south and east, and over time spread throughout the Americas. These were the ancestors to modern Native Americans in the United States and Alaskan Native peoples, as well as all indigenous peoples of the Americas.
Many indigenous peoples were semi-nomadic tribes of hunter-gatherers; others were sedentary and agricultural civilizations. Many formed new tribes or confederations in response to European colonization. Well-known groups included the Huron, Apache Tribe, Cherokee, Sioux, Delaware, Algonquin, Choctaw, Mohegan, Iroquois (which included the Mohawk nation, Oneida tribe, Seneca nation, Cayuga nation, and Onondaga . The Inuit in Alaska are considered a separate group. Though not as technologically advanced as the Mesoamerican civilizations further south, there were extensive pre-Columbian sedentary societies in what is now the US.
Mound Builders were tribes in the East who constructed earthen mounds for burial, residential and ceremonial purposes. These included Archaic, Woodland period (Adena and Hopewell cultures), and Mississippian period Pre-Columbian cultures dating from roughly 3000 BC to the 16th century AD, and living in the Great Lakes region, the Ohio River region, the Mississippi River region and the Gulf States region.
Mound builder cultures can be divided into roughly three eras:
Poverty Point in what is now Louisiana is perhaps the most prominent example of early archaic mound builder construction (c. 2500–1000 BC). An even earlier example, Watson Brake, dates to approximately 3400 BC and coincides with the emergence of social complexity worldwide.
The Archaic period was followed by the Woodland period (c. 1000 BC). Some well-understood examples would be the Adena culture of Ohio and nearby states and the subsequent Hopewell culture known from Illinois to Ohio and renowned for their geometric earthworks. The Adena and Hopewell were not, however, the only mound building peoples during this time period. There were contemporaneous mound building cultures throughout the Eastern United States.
Around 900 – 1450 AD the Mississippian culture developed and spread through the Eastern United States, primarily along the river valleys. The location where the Mississippian culture is first clearly developed is located in Illinois, and is referred to today as Cahokia.
After a period of exploration by people from various European countries, Spanish, Dutch, English, French, Swedish, and Portuguese settlements were established. Although Leif Ericson was the first European to arrive in North America, Christopher Columbus is credited as the first European to set foot on what would one day become US territory when he came to Puerto Rico on November 19, 1493, during his second voyage.
In the 16th century, Europeans brought horses, cattle, and hogs to the Americas and, in turn, took back to Europe maize, potatoes, tobacco, beans, squash, and slave natives, many of whom died enroute.
Spanish explorers came to what is now the United States beginning with Christopher Columbus' second expedition, which reached Puerto Rico on November 19, 1493. The first confirmed landing in the continental US was by a Spaniard, Juan Ponce de León, who landed in 1513 on a lush shore he christened La Florida.
Within three decades of Ponce de León's landing, the Spanish became the first Europeans to reach the Appalachian Mountains, the Mississippi River, the Grand Canyon and the Great Plains. In 1540, Hernando de Soto undertook an extensive exploration of the present US and, in the same year, Francisco Vázquez de Coronado led 2,000 Spaniards and Native Mexican Americans across the modern Arizona–Mexico border and traveled as far as central Kansas. Other Spanish explorers include Lucas Vásquez de Ayllón, Pánfilo de Narváez, Sebastián Vizcaíno, Juan Rodríguez Cabrillo, Gaspar de Portolà, Pedro Menéndez de Avilés, Álvar Núñez Cabeza de Vaca, Tristán de Luna y Arellano and Juan de Oñate.
The Spanish sent some settlers, creating the first permanent European settlement in the continental United States at St. Augustine, Florida in 1565. Later Spanish settlements included Santa Fe, Albuquerque, San Antonio, Tucson, San Diego, Los Angeles and San Francisco. Most Spanish settlements were along the California coast or the Santa Fe River in New Mexico.
Nieuw-Nederland, or New Netherland, was the seventeenth century Dutch colonial province on the eastern coast of North America. The claimed territory were the lands from the Delmarva Peninsula to Buzzards Bay, while the settled areas are now part of New Jersey, New York, Connecticut, Delaware, and Pennsylvania. Its capital, New Amsterdam, was located at the southern tip of the island of Manhattan on the Upper New York Bay and was renamed New York.
New France was the area colonized by France in North America during a period extending from the exploration of the Saint Lawrence River, by Jacques Cartier in 1534, to the cession of New France to Spain and Britain in 1763. At its peak in 1712 (before the Treaty of Utrecht), the territory of New France extended from Newfoundland to the Rocky Mountains and from Hudson Bay to the Gulf of Mexico. The territory was divided in five colonies, each with its own administration: Canada, Acadia, Hudson Bay, Newfoundland and Louisiana.
Also during this period, French Huguenots, sailing under Jean Ribault, attempted to found a colony in what became the southeastern coast of the United States. Arriving in 1562, they established the ephemeral colony of Charlesfort on Parris Island in what is now South Carolina. When this failed, most of the colonists followed René Goulaine de Laudonnière and moved south, founding the colony of Fort Caroline at the mouth of the St. Johns River in what is now Jacksonville, Florida on June 22, 1564. Fort Caroline was destroyed in 1565 by the Spanish under Pedro Menéndez de Avilés, who moved in from St. Augustine, founded to the south earlier in the year.
The strip of land along the eastern seacoast was settled primarily by English colonists in the 17th century, along with much smaller numbers of Dutch and Swedes. Colonial America was defined by a severe labor shortage that gave birth to forms of unfree labor such as slavery and indentured servitude, and by a British policy of benign neglect (salutary neglect) that permitted the development of an American spirit distinct from that of its European founders. Over half of all European migrants to Colonial America arrived as indentured servants.
The first successful English colony was established in 1607, on the James River at Jamestown. It languished for decades until a new wave of settlers arrived in the late 17th century and established commercial agriculture based on tobacco. Between the late 1610s and the Revolution, the British shipped an estimated 50,000 convicts to its American colonies. During the Georgian era English officials exiled 1,000 prisoners across the Atlantic every year. One example of conflict between Native Americans and English settlers was the 1622 Powhatan uprising in Virginia, in which Native Americans had killed hundreds of English settlers. The largest conflict between Native Americans and English settlers in the 17th century was King Philip's War in New England, although the Yamasee War may have been bloodier.
The Plymouth Colony was established in 1620. The area of New England was initially settled primarily by Puritans who established the Massachusetts Bay Colony in 1630. The Middle Colonies, consisting of the present-day states of New York, New Jersey, Pennsylvania, and Delaware, were characterized by a large degree of diversity. The first attempted English settlement south of Virginia was the Province of Carolina, with Georgia Colony the last of the Thirteen Colonies established in 1733. Several colonies were used as penal settlements from the 1620s until the American Revolution. Methodism became the prevalent religion among colonial citizens after the First Great Awakening, a religious revival led by preacher Jonathan Edwards in 1734.
The French and Indian War (1754–1763) was a watershed event in the political development of the colonies. The influence of the main rivals of the British Crown in the colonies and Canada, the French and North American Indians, was significantly reduced. Moreover, the war effort resulted in greater political integration of the colonies, as symbolized by Benjamin Franklin's call for the colonies to "Join or Die".
Following Britain's acquisition of French territory in North America, King George III issued the Royal Proclamation of 1763 with the goal of organizing the new North American empire and stabilizing relations with the native Indians. In ensuing years, strains developed in the relations between the colonists and the Crown. The British Parliament passed the Stamp Act of 1765, imposing a tax on the colonies to help pay for troops stationed in North America following the British victory in the Seven Years' War.
The British government felt that the colonies were the primary beneficiaries of this military presence, and should pay at least a portion of the expense. The colonists did not share this view. Rather, with the French and Indian threat diminished, the primary outside influence remained that of Britain. A conflict of economic interests increased with the right of the British Parliament to govern the colonies without representation being called into question.
The Boston Tea Party in 1773 was a direct action by colonists in the town of Boston to protest against the taxes levied by the British government. Parliament responded the next year with the Coercive Acts, which sparked outrage and resistance in the Thirteen Colonies. Colonists convened the First Continental Congress to coordinate their resistance to the Coercive Acts. The Congress called for a boycott of British trade, published a list of rights and grievances, and petitioned the king for redress of those grievances.
The Congress also called for another meeting in the event that their petition was unsuccessful in halting enforcement of the Coercive Acts. Their appeal to the Crown had no effect, and so the Second Continental Congress was convened in 1775 to organize the defense of the colonies at the onset of the American Revolutionary War.
The Thirteen Colonies began a rebellion against British rule in 1775 and proclaimed their independence in 1776. They subsequently constituted the first thirteen states of the United States of America, which became a nation state in 1781 with the ratification of the Articles of Confederation and Perpetual Union. The 1783 Treaty of Paris represented the Kingdom of Great Britain's formal acknowledgment of the United States as an independent nation.
The United States defeated Britain with help from France, the United Provinces and Spain in the American Revolutionary War. The colonists' victory at Saratoga in 1777 led the French into an open alliance with the United States. It is a matter of debate which state was the first to recognize the United States, but the claim extends to the Republic of Ragusa (now the city of Dubrovnik) in Croatia, the Netherlands and Morocco.
In 1781, a combined American and French Army, acting with the support of a French fleet, captured a large British army led by General Charles Cornwallis at Yorktown, Virginia. The surrender of General Cornwallis ended serious British efforts to find a military solution to their American problem. In effect, "the United States was the first major colony successfully to revolt against colonial rule. In this sense, it was the first 'new nation'."
Side by side with the states' efforts to gain independence through armed resistance, a political union was being developed and agreed upon by them. The first step was to formally declare independence from Great Britain. On July 4, 1776, the Second Continental Congress, still meeting in Philadelphia, declared the independence of "the United States of America" in the Declaration of Independence. Although the states were still independent entities and not yet formally bound in a legal union, July 4 is celebrated as the nation's birthday. The new nation was dedicated to principles of republicanism, which emphasized civic duty and a fear of corruption and hereditary aristocracy.
A Union of the states with a constitutional government, the Congress of the Confederation first became possible with the ratification of the Articles of Confederation and Perpetual Union. The drafting of the Articles began in June 1776 in York, Pennsylvania and the approved text was sent to the States on November 15, 1777 for their ratification. While most States passed laws to authorize their representatives in Congress to sign the document by 1778, Maryland refused to do so until a dispute between the states concerning Western land claims had been resolved.
After Virginia passed a law ceding its claims on January 2, 1781, Maryland became the 13th and final state to pass an Act to ratify the Articles on February 2, 1781. The formal signing of the Articles by Maryland was completed on March 1, 1781 in Philadelphia and on the following day Samuel Huntington became the first President of the United States in Congress Assembled. However, it became apparent early on that the new constitution was inadequate for the operation of the new government and efforts soon began to improve upon it.
A series of attempts to organize a movement to outline and press reforms culminated in the Congress calling the Philadelphia Convention in 1787. The structure of the national government was profoundly changed on March 4, 1789, when the American people replaced the confederation type government of the Articles with a federation type government of the Constitution. The new government reflected a radical break from the normative governmental structures of the time, favoring representative, elective government with a weak executive, rather than the existing monarchical structures common within the western traditions of the time. The system of republicanism borrowed heavily from the Enlightenment ideas and classical western philosophy: a primacy was placed upon individual liberty and upon constraining the power of government through a system of separation of powers.
Additionally, the United States Bill of Rights was ratified on December 15, 1791 to guarantee individual liberties such as freedom of speech and religious practice and consisted of the first ten amendments of the Constitution. This period was, in many ways, a high-water mark for citizens' participation in local government, since Americans were skilled in local self-governance with strong traditions of civic participation in local town meetings.
But the Constitution didn't specify what citizenship meant; and from this point on, citizens began showing up at town meetings less often, and accordingly the direction of citizenship became less defined by civic participation and more defined as a legal status. John Jay was the first Chief Justice of the Supreme Court, whose membership was established by the Judiciary Act of 1789; the first Supreme Court session was held in New York City on February 1, 1790. In 1803, the Court case Marbury v. Madison made the Court the sole arbiter of constitutionality of federal law.
Native American societies reminded Europeans of a golden age only known to them in folk history. The idea of freedom and democratic ideals was born in the Americas because "it was only in America" that Europeans from 1500 to 1776 knew of societies that were "truly free."
Natural freedom is the only object of the policy of the [Native Americans]; with this freedom do nature and climate rule alone amongst them ... [Native Americans] maintain their freedom and find abundant nourishment ... [and are] people who live without laws, without police, without religion.
The Iroquois nations' political confederacy and democratic government has been credited as one of the influences on the Articles of Confederation and the United States Constitution. However, there is heated debate among historians about the importance of their contribution. Although Native American governmental influence is debated, it is a historical fact that several founding fathers had contact with the Iroquois, and prominent figures such as Thomas Jefferson and Benjamin Franklin were involved with the Iroquois.
As powerful, dense [Mound Builder] populations were reduced to weakened, scattered remnants, political readjustments were necessary. New confederacies were formed. One such was to become a pattern called up by Benjamin Franklin when the thirteen colonies struggled to confederate: "If the Iroquois can do it so can we", he said in substance.
George Washington—a renowned hero of the American Revolutionary War, commander-in-chief of the Continental Army, and president of the Constitutional Convention—became the first President of the United States under the new US Constitution. The Whiskey Rebellion in 1794, when settlers in the Pennsylvania counties west of the Allegheny Mountains protested against a federal tax on liquor and distilled drinks, was the first serious test of the federal government.
At the end of his second presidential term, George Washington made his farewell address, which was published in the newspaper Independent Chronicle on September 26, 1796. In his address, Washington triumphed the benefits of federal government and importance of ethics and morality while warning against foreign alliances and formation of political parties.
His vice-president John Adams succeeded him in presidency; Adams was a member of the Federalist Party. However, the Federalists became divided after Adams sent a peace mission to France despite ongoing disputes with that nation. Thomas Jefferson, a Democratic-Republican, defeated Adams for the presidency in the 1800 election.
The Louisiana Purchase, in 1803, removed the French presence from the western border of the United States and provided US settlers with vast potential for expansion west of the Mississippi River. Slave importation from Africa became illegal in 1808, despite a growing plantation system in many southern states such as North Carolina and Georgia.
In response to continued British impressment of American sailors into the Royal Navy, the Congress declared war on Britain in 1812. The United States and Britain came to a draw in the War of 1812 after bitter fighting that lasted until January 8, 1815, during the Battle of New Orleans. The Treaty of Ghent, officially ending the war, essentially resulted in the maintenance of the status quo ante bellum; however, crucially for the US, some Native American tribes had to sign treaties with the US government because of their losses in the war.
During the later course of the war, the Federalists held the Hartford Convention in 1814 over concerns that the war would weaken New England. There, they proposed seven constitutional amendments meant to strengthen the region politically, but by the time the Federalists delivered them to Washington, D.C., the recent American victories in New Orleans and the signing of the Treaty of Ghent undermined the Federalists' arguments and contributed to the downfall of the party.
The Monroe Doctrine, expressed in 1823, proclaimed the United States' opinion that European powers should no longer colonize or interfere in the Americas. This was a defining moment in the foreign policy of the United States. The Monroe Doctrine was adopted in response to US and British fears over Russian and French expansion into the Western Hemisphere. It was not until the administration of Theodore Roosevelt that the Monroe Doctrine became a central tenet of US foreign policy. The Monroe Doctrine was then invoked in the Spanish-American War as well as later when Nicaragua sought aid from the Soviet Union.
In 1830, Congress passed the Indian Removal Act, which authorized the president to negotiate treaties that exchanged Native American tribal lands in the eastern states for lands west of the Mississippi River. This established Andrew Jackson, a military hero and President, as a cunning tyrant in regards to native populations. The act resulted most notably in the forced migration of several native tribes to the West, with several thousand people dying en route, and the Creeks' violent opposition and eventual defeat. The Indian Removal Act also directly caused the ceding of Spanish Florida and led to the many Seminole Wars.
In its mission to end slavery, the abolitionist movement gained a large following from both black and white races. The American Anti-Slavery Society was politically active from 1833 to 1839 for the government to abolish slavery, but Congress imposed a "gag rule" that rejected any citizen's request against slavery. William Lloyd Garrison, formerly associated with the Society, then began publication of the anti-slavery newspaper The Liberator in Boston, Massachusetts in 1831, and Frederick Douglass, an ex-slave, began writing for that newspaper around 1840 and started his own abolitionist newspaper North Star in 1847.
The Republic of Texas was annexed by president John Tyler in 1845. The US army, using regulars and large numbers of volunteers, defeated Mexico in 1848 during the Mexican-American War. Public sentiment in the US was divided as Whigs and anti-slavery forces opposed the war. The 1848 Treaty of Guadalupe Hidalgo ceded California, New Mexico, and adjacent areas to the United States, about thirty percent of Mexico. Westward expansion was enhanced further by the California Gold Rush, the discovery of gold in that state in 1848. Numerous "forty-niners" trekked to California in pursuit of gold; land-hungry European immigrants also contributed to the rising white population in the west. In 1849 cholera spread along the California and Oregon Trails. It is estimated that over 150,000 Americans died during the two cholera pandemics between 1832 and 1849.
In the middle of the 19th century, white Americans of the North and South were to reconcile fundamental differences in their approach to government, economics, society and African American slavery. The issue of slavery in the new territories was settled by the Compromise of 1850 brokered by Whig Henry Clay and Democrat Stephen Douglas; the Compromise included admission of California as a free state and the passage of the Fugitive Slave Act to make it easier for masters to reclaim runaway slaves. In 1854, the proposed Kansas-Nebraska Act abrogated the Missouri Compromise by providing that each new state of the Union would decide its stance on slavery.
By 1860, there were nearly four million slaves residing in the United States, nearly eight times as many from 1790; within the same time period, cotton production in the U.S. boomed from less than a thousand tons to nearly one million tons per year. There were some slave rebellions – including by Gabriel Prosser (1800), Denmark Vesey (1822), and Nat Turner (1831) – but they all failed and led to tighter slave oversight in the south.
After Abraham Lincoln won the 1860 Election, eleven Southern states seceded from the union between late 1860 and 1861, establishing a new government, the Confederate States of America, on February 8, 1861.
The Civil War began on April 12, 1861, when Confederate forces attacked a US military installation at Fort Sumter in South Carolina. Along with the northwestern portion of Virginia, four of the five northernmost "slave states" did not secede and became known as the Border States.
In response to this, on April 15, Lincoln called on the states to send detachments totaling 75,000 troops to recapture forts, protect the capital, and "preserve the Union", which in his view still existed intact despite the actions of the seceding states. The two armies had their first major clash at the First Battle of Bull Run, which ended in a surprising Union defeat, but, more importantly, proved to both the Union and Confederacy that the war was going be much longer and bloodier than they had originally anticipated.
The war soon divided into two theaters, the Eastern and Western theaters. In the western theater, the Union was quite successful, with major battles, such as Perryville ending up being strategic Union victories, destroying major confederate operations.
Things in the East, however, were not as successful. Many of the Union armies (most notably the Army of the Potomac) ended up having commanders with serious flaws (for example, George B. McClellan who consistently overestimated the size of the enemy) while Confederate commanders (the most famous being Robert E. Lee and Stonewall Jackson) proved to be master strategists who utilized their available resources to their advantage.
Because of this, the Union ended up losing to the Confederates in often bloody and humiliating battles (such as the battles of Fredericksburg and Chancellorsville). However, things changed for the Union when North Carolinians under Brig. Gen. J. Johnston Pettigrew noticed Union cavalry Under Brig. Gen. John Buford arriving south of the town of Gettysburg. The resulting three-day Battle of Gettysburg turned out to be the bloodiest battle of the Civil War and is considered by many historians the turning point of the war.
On the following day in the west, Union forces under the command of General Ulysses S. Grant gained control of the Mississippi River at the Battle of Vicksburg, thereby splitting the Confederacy. At the beginning of 1864, Lincoln made General Grant commander of all Union armies. The following two years of the war ended up being bloody for both sides, with Grant launching a war of attrition against Confederate General Robert E. Lee's Army of Northern Virginia. This war of attrition was divided into three main campaigns.
The first of these, the Overland Campaign forced Lee to retreat into the city of Petersburg where Grant launched his second major offensive, the Richmond-Petersburg Campaign in which he sieged the city of Petersburg. After a near ten-month siege, the city of Petersburg surrendered. However, the defense of Fort Gregg allowed Lee to move his army out of Petersburg. Grant pursued and launched the final, Appomattox Campaign which resulted in Lee surrendering his Army of Northern Virginia on April 9, 1865, at Appomattox Court House. When word of Lee's surrender spread across the country, many Confederate armies also surrendered, with Stand Watie being the last of the generals.
Based on 1860 census figures, 8% of all white males aged 13 to 43 died in the war, including 6% in the North and an extraordinary 18% in the South, establishing the American Civil War as the deadliest war in American history. Its legacy includes ending slavery in the United States, restoring the Union, and strengthening the role of the federal government. The social, political, economic and racial issues of the war decisively shaped the reconstruction era, which lasted through 1877, and brought about changes that would eventually help make the country a united superpower.
Reconstruction took place for most of the decade following the Civil War. During this era, the "Reconstruction Amendments" were passed to expand civil rights for black Americans. Those amendments included the Thirteenth Amendment, which outlawed slavery, the Fourteenth Amendment that guaranteed citizenship for all people born or naturalized within U.S. territory, and the Fifteenth Amendment that granted the vote for all men regardless of race. While the Civil Rights Act of 1875 forbade discrimination in the service of public facilities, the Black Codes denied blacks certain privileges readily available to whites.
In response to Reconstruction, the Ku Klux Klan (KKK) emerged around the late 1860s as a white-supremacist organization opposed to black civil rights. Increasing hate-motivated violence from groups like the Klan influenced both the Ku Klux Klan Act of 1870 that classified the KKK as a terrorist group and an 1883 Supreme Court decision nullifying the Civil Rights Act of 1875; however, in the Supreme Court case United States v. Cruikshank the Court interpreted the Fourteenth Amendment as regulating only states' decisions regarding civil rights. The case defeated any protection of blacks from terrorist attacks, as did the later case United States v. Harris.
During the era, many regions of the southern U.S. were military-governed and often corrupt; Reconstruction ended after the disputed 1876 election between Republican candidate Rutherford B. Hayes and Democratic candidate Samuel J. Tilden. Hayes won the election, and the South soon re-entered the national political scene.
Following was the Gilded Age, a term that author Mark Twain used to describe the period of the late nineteenth century when there had been a dramatic expansion of American industry. Reform of the Age included the Civil Service Act, which mandated a competitive examination for applicants for government jobs. Other important legislation included the Interstate Commerce Act, which ended railroads' discrimination against small shippers, and the Sherman Antitrust Act, which outlawed monopolies in business. Twain believed that this age was corrupted by such elements as land speculators, scandalous politics, and unethical business practices.
By century's end, American industrial production and per capita income exceeded those of all other world nations and ranked only behind Great Britain. In response to heavy debts and decreasing farm prices, farmers joined the Populist Party. Later, an unprecedented wave of immigration served both to provide the labor for American industry and create diverse communities in previously undeveloped areas. From 1880 to 1914, peak years of immigration, more than 22 million people migrated to the United States. Abusive industrial practices led to the often violent rise of the labor movement in the United States. Influential figures of the period included John D. Rockefeller and Andrew Carnegie.
After the Gilded Age came the Progressive Era, whose followers called for reform over perceived industrial corruption. Viewpoints taken by progressives included greater federal regulation of anti-trust laws and the industries of meat-packing, drugs, and railroads. Four new constitutional amendments—the Sixteenth through Nineteenth—resulted from progressive activism. The era lasted from 1900 to 1918, the year marking the end of World War I.
U.S. Federal government policy, since the James Monroe Administration, had been to move the indigenous population beyond the reach of the federal frontier into a series of Indian reservations. Tribes were generally forced onto small reservations as farmers and ranchers took over their lands.
The United States began its rise to international power in this period with substantial population and industrial growth domestically and numerous military ventures abroad, including the Spanish-American War, which began when the United States blamed the sinking of the USS Maine on Spain. Also at stake were U.S. interests in acquiring Cuba, an island nation fighting for independence from Spanish occupation; Puerto Rico and the Philippines were also two former Spanish colonies seeking liberation.
In December 1898, representatives of Spain and the U.S. signed the Treaty of Paris to end the war, with Cuba becoming an independent nation and Puerto Rico, Guam, and the Philippines becoming U.S. territories. In 1900, Congress passed the Open Door Policy that at the time required China to grant equal trading access to all foreign nations.
President Woodrow Wilson declared U.S. entry into World War I in April 1917 following a yearlong neutrality policy; the U.S. had previously shown interest in world peace by participating in the Hague Conferences. American participation in the war proved essential to the Allied victory. Wilson also implemented a set of propositions titled the Fourteen Points to ensure peace, but they were denied at the 1919 Paris Peace Conference. Isolationist sentiment following the war also blocked the U.S. from participating in the League of Nations, an important part of the Treaty of Versailles.
These years of the early 20th century also saw the strengthening of the Woman Suffrage Movement. The movement had begun with the 1848 Seneca Falls Convention, organized by Elizabeth Cady Stanton and Lucretia Mott, and the Declaration of Sentiments demanding equal rights for women. The women's rights campaign during "first-wave feminism" was led by Mott, Stanton, Susan B. Anthony, Sojourner Truth, Lucy Stone, and Julia Ward Howe, among others. By the end of the 19th century only several states had granted women full voting rights, though women had made significant legal victories, gaining rights in areas such as property and child custody. In 1875 the Supreme Court ruled women, too, were American citizens (but this did not give them the right to vote).
Around 1912 the Feminist Movement, which had grown sluggish, began to reawaken. Protests became increasingly common as suffragette Alice Paul led parades through the capital and major cities. Paul split from the large National American Woman Suffrage Association (NAWSA), which favored a more moderate approach and supported the Democratic Party and Woodrow Wilson, led by Carrie Chapman Catt, and formed the more militant National Woman's Party. Suffragists were arrested during their "Silent Sentinal" pickets at the White House, the first time such a tactic was used, and were taken as political prisoners. In prison they were tortured and force-fed while on hunger strikes led by Alice Paul.
Finally, the suffragette were ordered released from prison, and Wilson addressed the Congress on woman suffrage, urging them to pass a Constitutional amendment enfranchising women, which they did in 1919. It became constitutional law on August 26, 1920, after ratification by the 36th required state. NAWSA became the League of Women Voters and the National Woman's Party began lobbying for full equality and the Equal Rights Amendment which would pass Congress during the second wave of the women's movement in 1972. Following ratification of the Nineteenth Amendment, a U.S. Court ruled the arrests of the over two hundred suffragists as unconstitutional, and the amendment was upheld by the Supreme Court after a legal challenge.
Following World War I, the U.S. grew steadily in stature as an economic and military world power. The United States Senate did not ratify the Treaty of Versailles imposed by its Allies on the defeated Central Powers; instead, the United States chose to pursue unilateralism, if not isolationism. The aftershock of Russia's October Revolution resulted in real fears of communism in the United States, leading to a three-year Red Scare and the U.S. lost 675,000 people to the Spanish flu pandemic in 1918.
In 1920, the manufacture, sale, import and export of alcohol was prohibited by the Eighteenth Amendment to the United States Constitution. Prohibition encouraged illegal breweries and dealers to make substantial amounts of money selling alcohol illegally. The Prohibition ended in 1933, a failure. Additionally, the KKK re-formed during that decade and gathered nearly 4.5 million members by 1924, and the U.S. government passed the Immigration Act of 1924 restricting foreign immigration. The 1920s were also known as the Roaring Twenties, due to the great economic prosperity during this period. Jazz became popular among the younger generation, and thus was also called the Jazz Age.
During most of the 1920s, the United States enjoyed a period of unbalanced prosperity: farm prices and wages fell, while new industries, and industrial profits grew. The boom was fueled by an inflated stock market, which later led to a crash on October 29, 1929. This, along with many other economic factors, triggered a worldwide depression known as the Great Depression. During this time, the United States experienced deflation, unemployment increased from 3% in 1929 to 25% in 1933, and manufacturing output collapsed by one-third.
In 1932, Democratic presidential nominee Franklin D. Roosevelt promised "a new deal for the American people", a phrase that has endured as a label for his administration and its many domestic achievements. The desperate economic situation, along with the substantial Democratic victories in the 1932 elections, gave Roosevelt unusual influence over Congress in the "First Hundred Days" of his administration. He used his leverage to win rapid passage of a series of measures to create welfare programs and regulate the banking system, stock market, industry and agriculture, along with many other government efforts to end the Great Depression and reform the American economy. Some programs that were apart of Roosevelt's New Deal include the Works Progress Administration (WPA) relief program, the Social Security Act, the Emergency Banking Act, and the Economy Act. The recovery was rapid in all areas except unemployment, which remained fairly high until 1940.
As with World War I, the United States did not enter World War II until after the rest of the active Allied countries had done so. The United States first contribution to the war was simultaneously to cut off the oil and raw material supplies needed by Japan to maintain its offensive in China, and to increase military and financial aid to China. Contribution came to the Allies in September 1940 in the form of the Lend-Lease program with Britain.
On December 7, 1941 Japan launched a surprise attack on the American naval base in Pearl Harbor, citing America's recent trade embargo as justification. The following day, Franklin D. Roosevelt successfully urged a joint session of Congress to declare war on Japan, calling December 7, 1941 "a date which will live in infamy". Four days after the attack on Pearl Harbor, on December 11, Nazi Germany declared war on the United States, drawing the country into a two-theater war.
Upon entering the war, the United States and its allies decided to concentrate the bulk of their efforts on fighting Hitler in Europe, while maintaining a defensive position in the Pacific until Hitler was defeated. The United States's first step was to set up a large airforce in Britain to concentrate on bombing raids into Germany itself. The American Air force relied on the B-17 Flying Fortress as its primary heavy bomber. Britain had ceased its daylight bombing raids, due to heavy casualties inflicted by the Luftwaffe. The USAAF suffered similar high losses until the introduction of the P-51 Mustang as a long range escort fighter for the bombers.
The American army's first ground action was fighting alongside the British, Australian and New Zealand armies in North Africa. By May 1943, the British 8th Army had expelled the Germans from North Africa and the Allies controlled this vital link until the end of the war. The American navy also played an active role in the Atlantic protecting the convoys bringing vital American war material to Britain. By midway through 1943, the Allies were fighting the war from Britain with unbroken supply lines, while at the same time Hitler's armies were very much on the back foot, with heavy bombing taking its toll on production.
By early 1944, a planned invasion of Western Europe was underway. What followed on June 6, 1944, was Operation Overlord, or D-Day. The largest war armada ever assembled landed on the beaches of Normandy and began the penetration of Western Europe that eventually overthrew Hitler and Nazi Germany. Following the landing at Normandy, the Americans contributed greatly to the outcome of the war, with dogged fighting in the Battle of the Bulge resulting in Allied victories against the Germans.
The battles took a heavy toll on the Americans, who lost 19,000 men during the Battle of the Bulge alone. The allied bombing raids on Germany increased to unprecedented levels after the D-Day invasion, with over 70% of all bombs dropped on Germany occurring after this date. On April 30, 1945, with Berlin completely overrun with Russian forces and his country in tatters, Adolf Hitler committed suicide. On May 8, 1945, the war with Germany was over, following its unconditional surrender to the Allied forces.
Due to the United States commitment to defeating Hitler in Europe, the first years of the war against Japan was largely a defensive battle with the United States Navy attempting to prevent the Japanese Navy from asserting dominance of the Pacific region. Initially, Japan won the majority of its battles in a short period of time. Japan quickly defeated and created military bases in Guam, Thailand, Malaya, Hong Kong, Papua New Guinea, Indonesia and Burma. This was done virtually unopposed and with quicker speed than that of the German Blitzkrieg during the early stages of the war. This was important for Japan, as it had only 10% of the homeland industrial production capacity of the United States.
The turning point of the war was the Battle of Midway in June 1942. Following this, the Americans began fighting towards China where they could build an airbase suitable to commence bombing of mainland Japan with its B-29 Superfortress fleet. The Americans began by selecting smaller, lesser defended islands as targets as opposed to attacking the major Japanese strongholds. During this period, they inadvertently triggered what would become their most comprehensive victory in the entire war.
The Pacific war became the largest naval conflict in history. The American Navy emerged victorious, after at one point being stretched near to the breaking point, with almost complete destruction of the Japanese Navy. The American forces were then poised for an invasion of the Japanese mainland, to force the Japanese into unconditional surrender. On April 12, 1945, President Franklin D. Roosevelt died and Vice President Harry S. Truman was sworn in as the 33rd President of the United States. The use of atomic weapons against Japan was subsequently authorized.
The decision to use nuclear weapons to end the conflict has been one of the most controversial decisions of the war. Supporters of the use of the bombs argue that an invasion would have cost an enormous numbers of lives, while opponents argue that the large number of civilian casualties resulting from the bombings was unjustified. The first bomb was dropped on Hiroshima on August 6, 1945, and the second bomb was dropped on Nagasaki on August 9, 1945. On August 15, 1945, the Japanese surrendered unconditionally, ending World War II.
Following World War II, the United States emerged as one of the two dominant superpowers. The U.S. Senate, on December 4, 1945, approved U.S. participation in the United Nations (UN), which marked a turn away from the traditional isolationism of the U.S. and toward more international involvement. The post-war era in the United States was defined internationally by the beginning of the Cold War, in which the United States and the Soviet Union attempted to expand their influence at the expense of the other, checked by each side's massive nuclear arsenal and the doctrine of mutual assured destruction. The result was a series of conflicts during this period including the Korean War and the tense nuclear showdown of the Cuban Missile Crisis. Within the United States, the Cold War prompted concerns about Communist influence, and also resulted in government efforts to focus mathematics and science toward efforts such as the space race.
In the decades after World War II, the United States became a global influence in economic, political, military, cultural, and technological affairs. Beginning in the 1950s, middle-class culture had a growing obsession with consumer goods. White Americans made up nearly 90% of the population in 1950.
In 1960, John F. Kennedy was elected President. Known for his charisma, he is so far the only Roman Catholic to be President. The Kennedy family had brought a new life and vigor to the atmosphere of the White House. His time in office was marked by such notable events as the acceleration of the United States' role in the space race; the beginning of the escalation of the American role in the Vietnam War; the Cuban missile crisis; the Bay of Pigs Invasion of Cuba—events that aggravated the Cold War with the USSR; attack of the Freedom Rides; mob violence directed at James Meredith during the integration of the University of Mississippi; the jailing of Martin Luther King, Jr. during the Birmingham campaign; and the appointment of his brother Robert F. Kennedy to his Cabinet as Attorney General. He was assassinated in Dallas, Texas, on November 22, 1963 by Lee Harvey Oswald.
Meanwhile, the American people completed a great migration from farms into the cities and experienced a period of sustained economic expansion. At the same time, institutionalized racism across the United States, but especially in the American South, was increasingly challenged by the growing Civil Rights movement. The activism of African American leaders Rosa Parks and Martin Luther King, Jr. led to the Montgomery Bus Boycott, which launched the movement. For years African Americans would struggle with violence against them, but would achieve great steps towards equality with Supreme Court decisions, including Brown v. Board of Education and Loving v. Virginia, the Civil Rights Act of 1964, the Voting Rights Act of 1965, and the Fair Housing Act of 1968, which ended the Jim Crow laws that legalized racial segregation between Whites and Blacks.
Martin Luther King, Jr., who had won the Nobel Peace Prize for his efforts to achieve equality of the races, was assassinated in 1968. Following his death other leaders led the movement, most notably King's widow, Coretta Scott King, who was also active, like her husband, in the Opposition to the Vietnam War, and in the Women's Liberation Movement. Over the first nine months of 1967, 128 American cities suffered 164 riots. The late 1960s and early 1970s saw the strengthening of Black Power, however the decade would ultimately bring about positive strides toward integration.
A new consciousness of the inequality of American women began sweeping the nation, starting with the 1963 publication of Betty Friedan's best-seller, The Feminine Mystique, which explained how many housewives felt trapped and unfulfilled, assaulted American culture for its creation of the notion that women could only find fulfillment through their roles as wives, mothers, and keepers of the home, and argued that women were just as able as men to do every type of job. In 1966 Friedan and others established the National Organization for Women, or NOW, to act as an NAACP for women. Protests began, and the new "Women's Liberation Movement" grew in size and power, gained much media attention, and, by 1968, had replaced the Civil Rights Movement as the U.S.'s main social revolution. Marches, parades, rallies, boycotts, and pickets brought out thousands, sometimes millions; Friedan's Women's Strike for Equality (1970) was a nation-wide success. The Movement was factioned early on, however (NOW on the left, the Women's Equity Action League (WEAL) on the right, the National Women's Political Caucus (NWPC) in the center, and more radical groups formed by younger women on the far left). Along with Friedan, Gloria Steinem was an important feminist leader, co-founding the NWPC, the Women's Action Alliance, and editing the Movement's magazine, Ms. The proposed Equal Rights Amendment to the Constitution, passed by Congress in 1972 and favored by about seventy percent of the American public, failed to be ratified in 1982, with only three more states needed to make it law. However, many federal laws (i.e. those equalizing pay, employment, education, employment opportunites, credit, ending pregnancy discrimination, and requiring NASA, the Military Academies, and other organizations to admit women), state laws (i.e. those ending spousal abuse and marital rape), Supreme Court rulings (i.e. ruling the equal protection clause of the Fourteenth Amendment applied to women), and state ERAs established women's equal status under the law, and social custom and consciousness began to change, accepting women's equality. The controversial issue of abortion, legalized in 1973 is still a point of feminist debate today.
Amid the Cold War, the United States entered the Vietnam War, whose growing unpopularity fed already existing social movements, including those among women, minorities and young people. President Lyndon B. Johnson's Great Society social programs and the judicial activism of the Warren Court added to the wide range of social reform during the 1960s and 1970s. Feminism and the environmental movement became political forces, and progress continued toward civil rights for all Americans. The Counterculture Revolution swept through the nation and much of the western world in the late sixties and early seventies, dividing the already hostile environment but also bringing forth more liberated social views.
Johnson was succeeded by President Richard Nixon in 1969, who initially escalated the Vietnam War but soon was able to negotiate a peace treaty in 1973, effectively ending American involvement in the war. The war had cost the lives of 58,000 American troops and millions of Vietnamese. Nixon used a conflict in the Eastern Bloc between the Soviet Union and China to the advantage of the United States, bolstering relations with the People's Republic of China. A new era of Cold War relations known as détente (cooperation) was begun.
The OPEC oil embargo led to a period of slow economic growth in 1973. The Watergate scandal, resulting from the break-in into the Democratic National Committee headquarters at the Watergate office complex in Washington, D.C. ultimately led to Nixon's resignation on August 9, 1974, as well as the indictment and conviction of several Nixon administration officials. During the years of his successor, Gerald Ford, the American-backed South Vietnamese government collapsed.
Jimmy Carter was elected in 1976 on the notion that he was not a part of the Washington political establishment. The U.S. was afflicted with a recession, an energy crisis, slow economic growth, high unemployment, and high inflation coupled with high interest rates (the term stagflation was coined). On the world stage, Carter brokered the Camp David Accords between Israel and Egypt. In 1979, Iranian students stormed the U.S. embassy in Tehran and took 52 Americans hostage. Carter lost the 1980 election to Republican Ronald Reagan, whose campaign message advertised that his presidency would bring "Morning in America."
Ronald Reagan produced a major realignment with his 1980 and 1984 landslides. Reagan's economic policies (dubbed "Reaganomics") and the implementation of the Economic Recovery Tax Act of 1981 lowered income taxes from 70% to 28% over the course of seven years. Reagan continued to downsize government taxation and regulation. The U.S. experienced a recession in 1982; unemployment and business failures soon entered rates close to Depression-era levels. These negative trends reversed the following year, when the inflation rate decreased from 11% to 2%, the unemployment rate decreased from 10.8% in December 1982 to 7.5% in November 1984, and the economic growth rate increased from 4.5 to 7.2%.
Reagan ordered a massive buildup of the U.S. military, incurring a costly budget deficit. Reagan introduced a complicated missile defense system known as the Strategic Defense Initiative (dubbed "Star Wars" by opponents) in which the U.S. could, in theory, shoot down missiles by means of laser systems in space. Though it was never fully developed or deployed, the Soviets were genuinely concerned about the possible effects of the program and the research and technologies of SDI paved the way for the anti-ballistic missile systems of today.
The Reagan administration also provided covert funding and assistance to anti-Communist resistance movements worldwide. Reagan's interventions against Grenada and Libya were popular in the U.S., though his backing of the Contra rebels was mired in controversy. The arms-for-hostages scandal led to the convictions of such figures as Oliver North and John Poindexter.
Reagan met with Soviet Leader Mikhail Gorbachev, who ascended to power in 1985, four times, and their summit conferences led to the signing of the INF Treaty. Gorbachev tried to save Communism in the Soviet Union first by ending the expensive arms race with America, then by shedding the East European empire in 1989. The Soviet Union collapsed in 1991, ending the US-Soviet Cold War.
After the fall of the Soviet Union, the United States emerged as the world's sole remaining superpower and continued to involve itself in military action overseas, including the 1991 Gulf War. Following his election in 1992, President Bill Clinton oversaw unprecedented gains in securities values, a side effect of the digital revolution and new business opportunities created by the Internet (see Internet bubble). The 1990s saw one of the longest periods of economic expansion. Under Clinton an attempt to universalize health care, led by First Lady Hillary Rodham Clinton failed after almost two years of work on the controversial plan, however Hillary Rodham Clinton did succeed, along with a bipartisan coalition of members of congress, to establish the Children's Health Insurance Program.
The regime of Saddam Hussein in Iraq proved a continuing problem for the UN and Iraq's neighbors in its refusal to account for previously known stockpiles of chemical and biological weapons, its violations of UN resolutions, and its support for terrorism against Israel and other countries. After the 1991 Gulf War, the US, French, and British military's began patrolling the Iraqi no-fly zones to protect Iraq's Kurdish minority and Shi’ite Arab population – both of which suffered attacks from the Hussein regime before and after the 1991 Gulf War – in Iraq's northern and southern regions, respectively. In the aftermath of Operation Desert Fox during December 1998, Iraq announced that it would no longer respect the no-fly zones and resumed its efforts in shooting down Allied aircraft.
During the 1990s the al-Qaeda terrorist network and other Islamic fundamentalist groups attempted terrorist attacks against the United States and other nations. In 1993, Ramzi Yousef, a Kuwaiti national, and suspected al-Qaeda operative, planted explosives in the underground garage of One World Trade Center and detonated them, killing six people and injuring thousands. Later that year in the Battle of Mogadishu, US Army Rangers engaged Somali militias supported by al-Qaeda in an extended firefight that cost the lives of 19 soldiers. President Clinton subsequently withdrew US combat forces from Somalia (there originally to support UN relief efforts). Terrorist attacks occurred in the 1996 Khobar Towers bombing in Saudi Arabia, and the 1998 United States embassy bombings in Tanzania and Kenya. There was an attempted bombing at Los Angeles International Airport and other attempts of acts of terrorism during the 2000 millennium attack plots. In Yemen the USS Cole was bombed in October 2000, which the government associated with Osama bin Laden's al-Qaeda terrorist network.
US responses to terrorist attacks included limited cruise missile strikes on Afghanistan and Sudan (August 1998), which failed to stop al-Qaeda's leaders and their Taliban supporters. Also in 1998, President Clinton signed the Iraq Liberation Act which called for regime change in Iraq on the basis of Saddam Hussein's possession of weapons of mass destruction, oppression of Iraqi citizens and attacks upon other Middle Eastern countries.
Al-Qaeda and other Islamic fundamentalist groups were not the only groups responsible for terrorism during this time. In 1995, a domestic terrorist bombing took place at a federal building in Oklahoma City, which killed 168 people, and was the biggest terrorist attack on US soil since World War II at the time. The perpetrators, Timothy McVeigh and Terry Nichols, objected to the federal government and in particular sought revenge for the sieges at Ruby Ridge (1992) and Waco (1993).
In 1998, Clinton was impeached for charges of perjury and obstruction of justice that arose from lying about a sexual relationship with White House intern Monica Lewinsky. He was the second president to have been impeached. The House of Representatives voted 228 to 206 on December 19 to impeach Clinton, but on February 12, 1999, the Senate voted 55 to 45 to acquit Clinton of the charges.
The presidential election in 2000 between George W. Bush (R) and Al Gore (D) was one of the closest in the U.S. history, and helped lay the seeds for political polarization to come. Although Bush won the majority of electoral votes, Gore won the majority of the popular vote. In the days following Election Day, the state of Florida entered dispute over the counting of votes due to technical issues over certain Democratic votes in some counties. The Supreme Court case Bush v. Gore was decided on December 12, 2000, ending the recount with a 5–4 vote and certifying Bush as president.
At the beginning of the new millennium, the United States found itself attacked by Islamic terrorism, with the September 11, 2001 attacks in which 19 Islamists hijacked four transcontinental airliners and intentionally crashed two of them into the twin towers of the World Trade Center and one into the Pentagon. The passengers on the fourth plane, United Airlines Flight 93, revolted causing the plane to crash into a field in Somerset County, Pennsylvania. 2,976 people and the 19 hijackers perished in the attacks.
According to the 9/11 Commission Report, that plane was intended to hit the US Capitol Building in Washington. The twin towers of the World Trade Center collapsed, destroying the entire complex. The United States soon found large amounts of evidence that suggested that the terrorist group al-Qaeda, spearheaded by Osama bin Laden, was responsible for the attacks.
In response to the attacks, under the administration of President George W. Bush, the United States (with the military support of NATO and the political support of some of the international community) launched Operation Enduring Freedom which overthrew the Taliban regime in Afghanistan which had protected and harbored bin Laden and al-Qaeda. With the support of large bipartisan majorities, the US Congress passed the Authorization for Use of Military Force Against Iraq Resolution of 2002.
With a coalition of other countries including Britain, Spain, Australia, Japan and Poland, in March 2003 President Bush ordered an invasion of Iraq dubbed Operation Iraqi Freedom which led to the overthrow and capture of Saddam Hussein. Using the language of 1998 Iraq Liberation Act and the Clinton Administration, the reasons cited by the Bush administration for the invasion included the spreading of democracy, the elimination of weapons of mass destruction (a key demand of the UN as well, though later investigations found parts of the intelligence reports to be inaccurate) and the liberation of the Iraqi people. This second invasion fueled protest marches in many parts of the world.
Despite tougher border scrutiny after 9/11, nearly 8 million immigrants came to the United States from 2000 to 2005 – more than in any other five-year period in the nation's history. Almost half entered illegally.
By 2006, rising prices saw Americans become increasingly conscious of the nation's dependence on supplies of petroleum for energy, with President Bush admitting a U.S. "addiction" to oil. The possibility of serious economic disruption, should conflict overseas or declining production interrupt the flow, could not be ignored, given the instability in the Middle East and other oil-producing regions of the world. Many proposals and pilot projects for replacement energy sources, from ethanol to wind power and solar power, received more capital funding and were pursued more seriously in the 2000s than in previous decades. The 2006 midterm elections saw Congresswoman Nancy Pelosi become Speaker of the United States House of Representatives and the highest ranking woman in the history of the U.S. government.
In addition to military efforts abroad, in the aftermath of 9/11 the Bush Administration increased domestic efforts to prevent future attacks. A new cabinet level agency called the United States Department of Homeland Security was created to lead and coordinate federal counter-terrorism activities. The USA PATRIOT Act removed legal restrictions on information sharing between federal law enforcement and intelligence services and allowed for the investigation of suspected terrorists using means similar to those in place for other types of criminals. A new Terrorist Finance Tracking Program monitored the movements of terrorists' financial resources but was discontinued after being revealed by The New York Times. Telecommunication usage by known and suspected terrorists was studied through the NSA electronic surveillance program.
Since 9/11, Islamic extremists made various attempts to attack the US homeland, with varying levels of organization and skill. For example, in 2001 vigilant passengers aboard a transatlantic flight to Miami prevented Richard Reid from detonating an explosive device.
After months of brutal violence against Iraqi civilians by Sunni and Shi’ite terrorist groups and militias—including al-Qaeda in Iraq—in January 2007 President Bush presented a new strategy for Operation Iraqi Freedom based upon counter-insurgency theories and tactics developed by General David Petraeus. The Iraq War troop surge of 2007 was part of this "new way forward". The George W. Bush administration also increased allegations implicating Iran and Syria, in the development of weapons of mass destruction.
In December 2007, the United States entered the longest post-World War II recession, which included a housing market correction, a subprime mortgage crisis, soaring oil prices, and a declining dollar value. In February 2008, 63,000 jobs were lost, a 5-year record for a single month. In September 2008, the crisis became much worse beginning with the government takeover of Fannie Mae and Freddie Mac followed by the collapse of Lehman Brothers.
This economic crisis was considered the worst financial crisis since the Great Depression. In November 2008, over 500,000 jobs were lost, which marked the largest loss of jobs in the United States in 34 years. The Bureau of Labor Statistics reported that in the last four months of 2008, 1.9 million jobs were lost. By the end of 2008, the U.S. had lost a total of 2.6 million jobs, and the unemployment rate rose to 7.2%.
In the presidential election of 2008, Senator Barack Obama, having narrowly defeated Senator Hillary Rodham Clinton for the Democratic nomination, ran on a platform of "Hope and Change". The ticket of Obama and Senator Joe Biden was victorious against the Republican ticket of Senator John McCain and Governor Sarah Palin. On November 4, Obama became the first African American to be elected President of the United States; he was sworn into office as the 44th President on January 20, 2009.
During his first 100 days in office, Obama signed into law the American Recovery and Reinvestment Act of 2009, a $787 billion economic stimulus package aimed at helping the economy recover from the deepening worldwide recession. The act included increased federal spending for health care, infrastructure, education, various tax breaks and incentives, and direct assistance to individuals, which is being distributed over the course of several years, with about 25% due by the end of 2009. The Obama administration also enacted additional economic programs designed to stimulate the economy, such as the Car Allowance Rebate System, the Public-Private Investment Program, and the Automobile Industry Bailout. In the third quarter of 2009, the U.S. economy expanded at a 2.2% annual pace, after contracting for four consecutive quarters. However, the unemployment rate continued to rise to 10.1%, the highest level since 1983, and the underemployment rate continued to rise to 17.5%, the highest since records began being kept in 1994.
Early in his presidency, Obama also moved to change the U.S. war strategy in Iraq and Afghanistan. In February 2009, Obama announced his plan to decrease troop levels in Iraq, stating that all combat troops would be withdrawn from Iraq by August 31, 2010, and that as many as 50,000 would remain in Iraq to train, equip and advise Iraqi forces, help protect withdrawing forces and work on counterterrorism until December 31, 2011. He also announced that same month that the amount of troops in Afghanistan would be boosted by 17,000. In December 2009, Obama announced that an additional 30,000 troops would be deployed to Afghanistan over a period of six months, and also proposed to begin troop withdrawals 18 months from that date.
As of 2010, debates continue over abortion, gun control, medical marijuana, same-sex marriage, immigration reform, climate change, health care reform, and the ongoing wars in Iraq and Afghanistan. In the area of foreign policy, the U.S. maintains ongoing talks, led by United States Secretary of State Hillary Clinton, with North Korea over its nuclear weapons program, as well as with Israel and the Palestinian Authority over a two-state solution to the Israeli-Palestinian conflict; the Palestinian-Israeli talks began in 2007, an effort spearheaded by United States Secretary of State Condoleezza Rice. China, holding an estimated $1.6 trillion of U.S. securities, is the largest foreign financier of the record U.S. public debt.
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The history of the United States is what happened in the past in the United States, a country in North America. Native Americans have lived there for thousands of years, long before Europeans went there. In 1492, Christopher Columbus went to America. In 1607, English people went to Jamestown, Virginia. This was the first successful town in the United States. The United States was settled mostly by England. People from France, Spain, and the Netherlands also settled in parts of the United States. The growth of the English colonies was not good for the Native Americans, because many of them died of disease and lost their lands.
By 1733, there were 13 colonies. They were the first states. In 1775, at Lexington and Concord, a war between the colonies and England called the Revolutionary War started. This war started because the American colonists believed that they were not being treated equally to the Englishmen living in England. On July 4, 1776, people from 13 colonies created the United States Declaration of Independence. This said that they were free from England. George Washington helped lead the Americans during the Revolutionary War, which the Americans won.
After the Revolution, the United States set about becoming a new nation. The leaders of the states created a constitution in 1787 and a Bill of Rights in 1791. These were based on the idea of "social contracts" by John Locke and others. In the early 1800s, the new nation faced many controversial issues, such as slavery. During the 1800s, the United States gained much more land in the West and began to become industrialized. In 1861, several states in the South left the United States to start a new country called the Confederate States of America. From 1861 to 1865, the North and South fought a war called the American Civil War over states' rights, slavery and the type of country the United States would become.
After the North won the war, all of the states that had left joined the United States again. The country went through reconstruction, which meant putting the country back together. Late in the 1800s, many people came to the United States from Europe and worked in large factories. This was called the Gilded Age. In the early 20th century, the United States became a world power. It was also one of the largest economies in the world. The United States fought in World War I and World War II. Between the wars, there was a period of "boom and bust", or a period of good times followed by a period of bad times. The boom period was known as the Roaring Twenties. The bust period was known as the Great Depression. The Great Depression was ended with World War II.
After World War II, the United States and the Soviet Union entered a time known as the Cold War. During the Cold War, the United States government spent a lot of money on defense. It fought in Korea and Vietnam. It also put Neil Armstrong and other Americans in space. During this time, African-Americans, Chicanos, and women fought for more rights. The Cold War ended in 1991 when the Soviet Union fell apart. The United States started to make less things in factories than they used to. The Middle East became important in American foreign policy, especially after the September 11 attacks in 2001. Today, the United States is thought of as the only superpower in the world.
The Pre-Columbian Era is the time before Christopher Columbus went to America in 1492. At that time, Native Americans lived in the United States. They had different cultures: Native Americans in the Eastern United States hunted game and deer; Native Americans in the Northwest fished; Native Americans in the Southwest grew corn and built houses called pueblos; and Native Americans in the Great Plains hunted buffalo. Around the year 1000, many people think that the Vikings visited Newfoundland. However, they did not settle there.
The English tried to settle the Americas at Roanoke Island in 1585. The settlement at Roanoke Island did not last, and no one knows what happened to the people there. In 1607, the first lasting English settlement was made at Jamestown, Virginia by John Smith, John Rolfe and other Englishmen interested in money and adventure. In its early years, many people in Virginia died of disease and starvation. The colony lasted because it made money by planting tobacco.
In 1621, a group of Englishmen called the Pilgrims settled at Plymouth, Massachusetts. A bigger colony was built at Massachusetts Bay by the Puritans in 1630. The Pilgrims and the Puritans were interested in making a better society, not looking for gold. They called this ideal society a "city on a hill". A man named Roger Williams left Massachusetts after disagreeing with the Puritans, and started the colony of Rhode Island in 1636.
England was not the only country to settle what would become the United States. In the 1500s, Spain built a fort at Saint Augustine, Florida. France settled Canada, Louisiana, and the area around the Great Lakes. The Dutch settled New York, which they called New Netherland. Other areas were settled by Scotch-Irish, Germans, and Swedes. However, in time England controlled all of the colonies, and most American colonists adopted the English way of life. The growth of the colonies was not good for Native Americans. Many of them died of smallpox, a disease brought to America by the Europeans. The ones who lived lost their lands to the colonists.
In the early 1700s, there was a religious movement in the United States called the Great Awakening. During the Great Awakening, preachers such as Jonathan Edwards preached sermons. One of them was called "Sinners in the Hands of an Angry God". The Great Awakening was one of the first events in American History that was a "mass movement", or something that many Americans were involved in. The Great Awakening, along with the Salem Witch Trials, was a reaction to what America was like in 1700 and may have led to the thinking used in the American Revolution.
By 1733, there were thirteen colonies. The colonies are often divided into three groups. The northern group was called New England and included New Hampshire, Massachusetts, Rhode Island, and Connecticut. There were four Middle Colonies: New York, New Jersey, Pennsylvania, and Delaware. The South had five colonies: Maryland, Virginia, North Carolina, South Carolina, and Georgia. New England had small farms and focused on fishing, forestry (trees and lumber), shipping, and small industry to make money. The South had large plantation farms that grew tobacco and later cotton. Plantations were farmed first by indentured servants (people who would work for a period of years in return for passage to America and land), and later by slaves. The Middle Colonies had medium-sized farms. These colonies also had people from many different cultures with many different beliefs. All three regions were tied to the "Atlantic economy". Atlantic merchants used ships to trade slaves, tobacco, rum, sugar, gold, spices, fish, lumber, and manufactured goods between America, the West Indies, Europe and Africa. New York, Philadelphia, Boston, and Charleston were the largest cities and main ports at that time.
From 1754 to 1763, England and France fought a war over their land in America called the Seven Years' War or the French and Indian War. The English won. After the war, they issued the Proclamation of 1763. It said that people who lived in the thirteen colonies could not live west of the Appalachian Mountains. Many colonists who wanted to move to the frontier did not like the Proclamation.
After the French and Indian War, the colonists began to think that they were not getting their "rights as freeborn Englishman". This meant they wanted to be treated fairly by the English government. Part of this was because of the Proclamation of 1763, but it was mainly caused by new taxes the British made the colonies pay to pay for the war. Americans called this "No taxation without representation", meaning that the colonists should not have to pay taxes unless they had votes in the British Parliament. These taxes included the Sugar Act (1764), Stamp Act (1765), Townsend Duties (1767), and Tea Act (1773). Each tax led to more unity between the colonies. In 1770, colonists in Boston known as the Sons of Liberty got in a fight with British soldiers. This became known as the Boston Massacre. After the Tea Act, the Sons of Liberty dumped hundreds of boxes of tea in a river. This was known as the Boston Tea Party (1773). This led to the British Army taking over Boston. After that, leaders of the 13 colonies formed a group called the Continental Congress. Many people were members of the Continental Congress, but some of the more important ones were Benjamin Franklin, John Adams, Thomas Jefferson, John Hancock, Roger Sherman and John Jay.
In 1776, Thomas Paine wrote a pamphlet called Common Sense that argued that the colonies should be free of English rule. This was based on the English ideas of natural rights and social contract put forth by John Locke and others. On July 4, 1776, people from 13 colonies agreed to the United States Declaration of Independence. This said that they were free and independent states, and were not part of England any more. The colonists were already fighting Britain in the Revolutionary War at this time. The Revolutionary War started in 1775 at Lexington and Concord. Though American soldiers under George Washington lost many battles to the British, they won a major victory at Saratoga in 1777. This led to France and Spain joining the war on the side of the Americans. In 1781, an American victory at Yorktown helped by the French led Britain to decide to stop fighting and give up the colonies. America had won the war and its independence.
In 1781, the colonies formed a confederation of states under the Articles of Confederation, but it only lasted six years. It gave almost all the power to the states and very little to the central government. The confederation had no president. It could not remove Native Americans or the British from the frontier, nor could it stop mob uprisings such as Shays' Rebellion. After Shays' Rebellion, many people thought the Articles of Confederation were not working.
In 1787, a constitution was written. Many of the people who helped write the Constitution, such as Washington, James Madison, Alexander Hamilton and Gouverneur Morris, were among the major thinkers in America at the time. Some of these men would later hold important offices in the new government. The constitution created a stronger national government that had three branches: executive (the President and his staff), legislative (the House of Representatives and the Senate), and judicial (the federal courts).
Some states agreed to the Constitution very quickly. In other states, many people did not like the Constitution because it gave more power to the central government and had no bill of rights. To try and get the Constitution passed, Madison, Hamilton and Jay wrote a series of newspaper articles called the Federalist Papers. The Constitution was ratified (passed by the states) in 1788. Very soon after, the Bill of Rights was added. This was a set of 10 amendments (changes), that limited the government's power and guaranteed rights to the citizens. Like the Declaration of Independence, the Constitution is a social contract between the people and the government. The main idea of the Constitution is that the government is a representative democracy elected by the people, who all have the same rights. However, this was not true at first, when only white males who owned property could vote. Because of state laws as well as the 14th, 15th, 19th, 24th and 26th Amendments, almost all American citizens who are at least 18 years old can vote today.
In 1789, Washington was elected the first President. He defined how a person should act as President and retired after two terms. During Washington's term, there was a Whiskey Rebellion, where country farmers tried to stop the government from collecting taxes on whiskey. In 1795, Congress passed the Jay Treaty, which allowed for increased trade with Britain in exchange for the British giving up their forts on the Great Lakes. However, Great Britain was still doing things that hurt the U.S., such as impressment (making American sailors join the British Royal Navy).
John Adams defeated Thomas Jefferson in the election of 1796 to become the second President of the United States. This was the first American election that was between two political parties. As president, Adams made the army and navy larger. He also got laws passed to stop people and newspapers from saying bad things about him. These were called the Alien and Sedition Acts.
In the election of 1800, Jefferson defeated Adams. One of the most important things he did as President was to make the Louisiana Purchase from France, which made the United States twice as big. Jefferson sent Lewis and Clark to map the Louisiana Purchase. Jefferson also tried to stop trade with England and France so that the United States would not become involved in a war the two countries were fighting. Fighting broke out between the United States and England in 1812 when James Madison was President. This was called the War of 1812.
One of the problems of this period was slavery. By 1861, over three million African-Americans were slaves in the South. This means that they worked for white people, but had no freedom and received no money for their work. Most worked picking cotton on large plantations. Only a few white people in the South owned plantations. Most white people in the South owned no slaves at all. Cotton became the main crop in the South after Eli Whitney invented the cotton gin in 1793. The South wanted to keep slavery, but by the time of the Civil War, most people in the North wanted to end it. Another argument between the North and South was about the role of government. The South wanted stronger state governments, but the North wanted a stronger central government.
After the War of 1812, America had an "Era of Good Feelings" under Presidents James Madison and James Monroe. Under Monroe, the United States' policy in North America was the Monroe Doctrine, which suggested that Europe should stop trying to control the United States and other independent countries in the Americas. Around this time, Congress called for something called the "American System", which meant spending money on banking, transportation and communication so that bigger cities and more factories would be built. One of the big transportation projects of this time was the Erie Canal, a canal (fake river) in the state of New York. By the 1840s, railroads were built as well as canals. By 1860, thousands of miles of railroads and telegraph lines had been built in the United States, mostly in the Northeast and Midwest.
In the early 19th century, there was an industrial revolution. Many factories were built in Northeastern cities such as Lowell, Massachusetts. Most of them made clothes. Many factory workers were women, and some were children or people from Ireland or Germany. Despite this industrialization, America was still a nation of farmers.
In the early and mid-1800s, there was a religious movement called the Second Great Awakening. It started in upstate New York, but spread to New England and the Midwest. During the Second Great Awakening, thousands of people gathered at large religious meetings called revivals. The people of the Second Great Awakening thought they could bring about a Golden Age in America through religion. The Second Great Awakening led to new religious movements such as the Holiness Movement and the Mormons, and helped groups like the Methodist Church grow. The Second Great Awakening led to two movements in reform, that is, changing laws and behaviors to make society better. One of these was the Temperance Movement, which believed that drinking alcohol was not good for society. The other was abolition, which wanted to end slavery. People such as Harriet Beecher Stowe and William Lloyd Garrison wrote books and newspapers saying that slavery should stop. They also formed political movements, which included the Liberty Party, the Free Soil Party and the Republican Party. By 1820, slavery was very rare in the North, but continued in the South.
In the 19th Century, there was something called the “cult of domesticity” for many American women. This meant that most married women were expected to stay in the home and raise children. In a marriage, an American woman was very much under the control of her husband, and had almost no rights. Women who were not married had only a few jobs open to them, such as working in clothing factories and serving as maids. By the 19th Century, women such as Lucretia Mott and Elizabeth Cady Stanton thought that women should have more rights. In 1848, many of these women met and agreed to fight for more rights for women, including voting.  Many of the women involved in the movement for women’s rights were also involved in the movement to end slavery.
In 1828, Andrew Jackson was elected President. He was the first president elected from the Democratic Party. He changed the government in many ways. Since many of his supporters were poor people who had not voted before, he rewarded them with government jobs, which is called "spoils" or "patronage". Because of Jackson, a new party was formed to run against him called the Whigs. This was called the “Second Party System”. Jackson also called for a high import tax that the South did not like. They called it the "Tariff of Abominations".  Jackson’s Vice-President, John C. Calhoun was from the South. He wrote that the South should stop the tariff and perhaps leave the Union (secession). These words would be used again during the Civil War.
People started to move west of the Mississippi River and the Rocky Mountains at this time. The first people who moved west were people who caught and sold animal skins such as John Colter and Jim Bridger. By the 1840s, many people were moving to Oregon by wagon, and even more people went west after the California Gold Rush of 1849. Indians were being pushed out of the Midwest and South by events such as the Trail of Tears and the Black Hawk War. Many new states were added to the first thirteen, mostly in the Midwest and South before the Civil War and in the West after the Civil War.
In 1845, Texas, which was a nation after it left Mexico, joined the United States. Mexico did not like this, and the Americans wanted land Mexico had on the West Coast (“Manifest Destiny”). This led to the U.S. and Mexico fighting a war called the Mexican-American War. During the war, the U.S captured the cities of San Francisco, Los Angeles, Monterrey, Veracruz and Mexico City. As a result of the war, the U.S. gained land in California and much of the American Southwest. Many people in the North did not like this war, because they thought it was just good for Southern slave states.
In the 1840s and 1850s, people in the Northern states and people in the Southern states did not like each other very much, mostly due to the issues of slavery in the territories (parts of the United States that were not yet states) and the power of the federal government. People in the government tried to make deals to stop a war. Some deals were the Compromise of 1850 and the Kansas-Nebraska Act, but they did not really work to keep the Union together. People in the South were angry at books like Uncle Tom’s Cabin that said that slavery was wrong. People in the North did not like a Supreme Court decision called Dred Scott that kept Scott a slave. People from the South and people from the North started killing each other in Kansas over slavery. This was called "Bleeding Kansas". One of the people from Bleeding Kansas, John Brown, took over a town in Virginia in 1859 to make a point about slavery being wrong and to try to get slaves to fight their owners.
In the election of 1860, the Democratic Party split and the Republican candidate for President, Abraham Lincoln, was elected. After this, many Southern states quit the Union. Eventually, eleven states quit. They started a new country called the Confederate States of America, or the "Confederacy". A war broke out between the Union (North) and the Confederacy (South). The South had better generals than the North, but it had fewer railroads and almost no weapons factories. This made it hard to give Southern soldiers guns.
Early in the war, Confederate generals such as Robert E. Lee and Stonewall Jackson won battles over Union generals such as George B. McClellan and Ambrose Burnside who were not as good. In 1862 and 1863, the Union Army tried to take the Confederate capital of Richmond, Virginia several times, but failed each time. Lee's army invaded the North twice, but was turned back at Antietam and Gettysburg. In the middle of war, Lincoln made the Emancipation Proclamation, which supposedly freed all slaves in the Confederacy, and started letting black men fight in the Union Army. The war started going the Union’s way after the battles of Gettysburg and Vicksburg in 1863. In 1864, a Union Army under William T. Sherman marched through Georgia and destroyed much of it. By 1865, Union General Ulysses S. Grant had taken Richmond and forced Lee to give up the fight at Appomattox. 
At the end of the Civil War, Lincoln was shot and killed while watching a play. The new president, Andrew Johnson, had to go through the process of Reconstruction, which was putting the United States back together after the Civil War. During this time, the 13th, 14th, and 15th Amendments to the Constitution were passed, freeing slaves, making them citizens and allowing them to vote. Congress was run by "Radical Republicans", who wanted to punish the South after the Civil War. They did not like Johnson, and almost removed him from office. They also sent many soldiers to the South, installed unpopular "scalawag" governments, and made the South pass the 14th and 15th Amendments. The South did not like this, so they made "Jim Crow" laws that placed blacks in lower roles and forced them to work as poor farmers called sharecroppers. White Southerners started a group called the Ku Klux Klan that attacked blacks and stopped them from voting.
[[File:|Tenements on the Lower East Side in New York City|thumb|right|180px]] During this time, many people moved to the United States from other countries, such as Ireland, Italy, Germany, Eastern Europe, and China. Many of them worked in large factories and lived in big cities, such as New York City, Chicago, and Boston, often in small, poor, close-together apartments called "tenements" or "slums". They often were used by "political machines", who gave them jobs and money in exchange for votes.
"Political machines" had control of the government in the last decades of the nineteenth century. Most of the Presidents were chosen by political machines and were corrupt. The government could do little, because the Presidents did not have control of Congress. Leaders of big businesses often had more power than the government. At this time, there were several very big businesses called trusts. People who ran trusts made millions of dollars while paying workers in their factories low wages. Some of these people were John D. Rockefeller, Andrew Carnegie, and J.P. Morgan.
After the Civil War, people continued to move west where new states were formed. People now could get free land in the West due to an 1862 law called the Homestead Act. Most of the land in the West was owned by the government, railroads, or large farmers. Railroads called the Transcontinental Railroad, finished in 1869, helped get people and goods from the west to the rest of the country. Chicago became the center of trade between West and East. This was because most of the rail lines met there. There were problems between the white settlers and the native Indians as more people began to move west. Because of this, many more Indians were killed, and almost all their land was taken away by laws like the Dawes Act.
Many Americans did not like the railroad because it charged farmers so much money that it made them poor. Workers led several strikes against the railroad that were put down by the army. Also, farmers started groups to fight the railroad, such as the Grange. These groups became the Populist Movement, which almost won the presidency under William Jennings Bryan. Though the Populist Party died out after 1896, many of the things the Populists wanted, such as an income tax and direct election of senators, would happen during the Progressive Era.
In the United States, progressivism is the belief that the government should have a larger role in the economy to provide good living standards for people, especially workers. Imperialism was the belief that the U.S. should build a stronger navy and conquer land.
In the late nineteenth and early twentieth centuries, the U.S. started being more active in foreign affairs. In 1898, the United States fought a war with Spain called the Spanish-American War. The United States won, and gained Puerto Rico, Guam, Guantanamo and the Philippines. Combined with the purchase of Alaska and the taking-over of Hawaii, the United States had gained all the territory it has today, plus some it would later lose after World War II.
In 1901, Theodore Roosevelt became President. He had been a soldier in the Spanish-American War. He called for a foreign policy known as the “Big Stick”. This meant having a large navy and exercising control over Latin America. Between 1901 and 1930, the United States sent soldiers into Latin America several times. When Roosevelt was president, work was begun on the Panama Canal, a link between the Pacific and Atlantic Oceans that made travel around the world much faster.
During this time, people started to notice the poor condition of American cities. A group of people called the “Muckrakers” wrote books and newspaper articles about subjects like the power of big business, unclean practices in factories, and the condition of poor people. Roosevelt and Congress answered their concerns with laws such as the Pure Food and Drug Act, which controlled the way food was made to make sure it was safe. Another response to the Muckrakers was something called “Trust-Busting”, where big businesses were broken up into smaller ones. The biggest business broken up this way was the Standard Oil Company in 1911.
In 1912, Woodrow Wilson became President. He was a Progressive, but not quite the same as Roosevelt. He fought the “triple wall of privilege”, which was big business, taxes, and fees on goods coming into the United States. During this time, the Sixteenth and Seventeenth Amendments to the U.S. Constitution were passed. They allowed for a federal income tax and direct election of U.S. Senators.
The United States did not want to enter World War I. It eventually entered the war in 1917 for two reasons. One was that a ship carrying Americans called the Lusitania was blown up by the Germans. The other was the Zimmerman Telegram, a message Germany sent to Mexico about invading the U.S.  The United States fought on the side of Britain and France, and the war ended a year later. Wilson worked to create an international organization called the League of Nations. The main goal of the League was preventing war. However, the United States did not join because isolationists rejected the peace treaty. At the end of World War I, a flu pandemic killed many people in the U.S. and Europe. After the war, the United States was one of the richest and most powerful nations in the world.
The 1920s were an era of boom and prosperity for the United States. Many Americans began buying consumer products, such as Model T Fords and appliances. Advertising became very important to American life. During this time, many African-Americans moved out the South and into large cities such as New York City, Chicago, St. Louis and Los Angeles. They brought with them jazz music, which is why the 1920s are called the "Jazz Age". The 1920s were also the Prohibition Era. During the 1920s, drinking alcohol was supposedly illegal, but many Americans drank it anyway.
After World War I, the United States had an isolationist foreign policy, meaning it did not want to enter into another global war. It passed laws and treaties that supposedly would end war forever, and refused to sell weapons to its former allies.
In 1921, Warren G. Harding became President. He believed that the best way to make the economy good was for the government to be friendly to big business by cutting taxes and regulating less. While the economy was doing very well under these policies, the gap between how much money the rich had and how much money the poor had was as big as it had ever been. Harding's presidency had several problems. The biggest one was Teapot Dome. The Teapot Dome scandal involved one of Harding's advisors taking a lot of money in exchange for allowing oil drilling in the Navy Oil Reserve. Harding died in 1923, and Calvin Coolidge became President. Coolidge believed that the government should keep out of business, just like Harding, and continued many of Harding's policies. Coolidge chose not to run again in 1928 and Herbert Hoover became president.
In 1929, a Great Depression hit the United States. The stock market crashed (lost much of its value), and many banks ran out of money and closed. By 1932, over a quarter of the nation had no jobs, and much of the nation was poor or unemployed. Many people were driven off farms, not only because of the Depression, but also because of a storm known as the "Dust Bowl" and because farmers had not been doing well during the 1920s.
President Hoover tried to do something about the Depression, but it did not work. In 1932, he was defeated and Franklin D. Roosevelt became President. He created the New Deal. It was a series of government programs which would give relief (to the people who were hurt by the bad economy), recovery (to make the economy better), and reform (to make sure a depression never happens again).
The New Deal had many programs such as Social Security, the National Recovery Administration (regulated wages), Works Progress Administration (built thousands of roads, schools, government buildings and works of art), the Civilian Conservation Corps (gave young people jobs to help the environment), and Tennessee Valley Authority (built dams and electric lines in the South). These programs put millions of Americans to work, though often at low pay. The New Deal also led to the rise of worker's unions such as the Congress of Industrial Organizations. Many of these programs were started early in Roosevelt's term in a time called the "Hundred Days" or in 1935 in a time called the "Second New Deal". Programs like Social Security grew out of populist movements by people such as Huey Long that were called "Share Our Wealth" and "Ham and Eggs".
The New Deal is often called the period that "saved capitalism", and stopped America from becoming a Communist or Fascist state. Although the New Deal improved the economy, it did not end the Great Depression. The Great Depression was ended by World War II.
[[File:|180px|thumb|right|The atomic bomb over Nagasaki, 9 August, 1945]] As World War II was beginning, the United States said they would not get involved in it. Most Americans thought the United States should remain neutral, and some people thought the United States should enter the war on the side of the Germans. Eventually, the U.S. did try to help the Allied Powers (Soviet Union, Britain, and France) with the Lend Lease Act. It gave the Allies a lot of money and guns in trade for use of air bases throughout the world.
On December 7, 1941, Japan attacked Pearl Harbor, a U.S. base in Hawaii. The U.S. was no longer neutral, and it declared war on the Axis Powers (Germany, Japan, Italy). The U.S. entering World War II ended the Great Depression because the war created many jobs. While some of the battles the U.S. fought in were air and naval battles with Japan, the U.S. mainly fought in Europe and Africa and participated in the Normandy invasion in 1944. In 1945, Roosevelt died, and Harry Truman became president. The U.S. decided to drop two atomic bombs on Japan. Japan gave up soon afterwards, and the war ended. However, the atomic bombs killed many ordinary people in the cities, not only soldiers. At least 250,000 Japanese people died in four days.
The war meant different things for women and minorities. During the war, many women worked in weapons factories. They were symbolized by a character called "Rosie the Riveter". Many African-Americans served in the army, but often in segregated units with white officers. Japanese-Americans on the West Coast were forced to live in internment camps, though a few also served in the Army.
After World War II, the Soviet Union and the United States were the two most powerful countries left in the world. The Cold War was a period of tension between the two countries over ways of life. The two countries tried to get other countries on their side. The Soviet Union tried to get countries to become Communist and the United States tried to stop them from being Communist. American and Soviet soldiers never fought in battles, but they fought indirectly in the Korean War (1950s) and the Vietnam War (1950s–1970s). The Korean War lasted only a few years, but led to American soldiers being in Korea since then. The Vietnam War lasted much longer, and started with a few American troops in Vietnam, but by the 1960s thousands of Americans were being sent to Vietnam. Both wars were between a Northern Communist government helped by the Soviet Union and Communist China and a Southern government helped by the U.S.. The Korean War resulted in a split Korea, but the Vietnam War resulted in a Communist Vietnam after the United States left due to American people wanting to end the war. Over a quarter million Americans died or were wounded in Vietnam, which was very much a military failure. The U.S. and Soviet Union argued about where they could place nuclear weapons. One of these arguments was the Cuban Missile Crisis. During the Cuban Missile Crisis, the U.S. and Soviet Union came very close to attacking each other with nuclear weapons.
During the Cold War, the United States had a "Red Scare" where the government tried to find people it thought were Communist. The House of Representatives had a group called the House Un-American Activities Committee to deal with this, and Joseph McCarthy led hearings in the Senate. The Red Scare led to people losing their jobs, going to jail, and even being executed. Many actors and authors were put on blacklists, which meant they could not get jobs in movies or get credit for their writings.
The Cold War began with an arms race between the United States and the Soviet Union to see who could have more and better weapons. This started after the Soviets were the second country to develop an atomic bomb. In the United States, this started something called the "Military Industrial Complex", which meant business and government working together to spend a lot of money on large-scale weapons projects. Business and government helped each other to get more money and more power. Part of the Complex was something called the Marshall Plan, which rebuilt Europe while making them buy American goods. The Complex allowed for a growing middle class, but also kept the Cold War going.
Besides the arms race, another part of the Cold War was the "Space Race". This started when the Soviets launched the Sputnik in 1957. Within a few years, both the United States and the Soviet Union had sent satellites, animals and people into orbit. In 1969 the Apollo 11 mission put Neil Armstrong and Buzz Aldrin on the Moon.
United States foreign policy changed in the 1970s when the United States left Vietnam and Richard Nixon left office due to Watergate. In the 1970s and 1980s, the United States had a policy of "detente" with the Soviet Union. This meant that the two countries signed treaties to stop use of weapons. Under Nixon and Ronald Reagan, the United States sent troops and money to many Latin American governments to stop them from being Communist. This led to violence in Latin America. Around this time, the economy suffered because the United States was not making as many things as it used to, and because some countries in the Middle East was not giving the U.S. as much oil as it wanted (this was called an "oil embargo"). The Middle East became very important in American foreign policy after several Americans were kidnapped in Iran in 1979. In the 1980s, people in the U.S. government sold weapons to people in Iran and gave the money to "contra" soldiers in Nicaragua. This was called "Iran-Contra". The Cold War came to an end as Communist governments in the Soviet Union and other countries fell apart.
The United States once again had prosperity. People moved out of the cities and into suburbs, and into Southern and Western states known as the "Sunbelt". They bought new cars and television sets. People's thoughts about the future led into "Space Age" or "Googie" style art and architecture. However, prosperity was not enjoyed by everyone.
One of the groups that did not enjoy prosperity were African-Americans. Most either lived in poor neighborhoods in Northern cities, or in the South where they faced racism and "Jim Crow" segregation. These conditions led to the Civil Rights Movement of the 1950s, led by Martin Luther King Jr. and others. In 1954, the Supreme Court found school segregation illegal in Brown v. Board of Education, though it would be several years before it actually happened. In 1955, King led a bus boycott in Montgomery, Alabama. In the late 1950s and 1960s, he wanted action to stop segregation in businesses and public places. King got help from Presidents John F. Kennedy, who was shot, and Lyndon B. Johnson. In 1963, he led a march on Washington calling for civil rights. Soon after, Congress passed laws that made most segregation illegal. Johnson also had a program called the Great Society that helped poor and minorities.
Blacks were not the only group pushing for rights in the Cold War era. Chicanos also fought for rights, as did women. Women did not like that they often held jobs that paid less than men or that less opportunities were open to them. People like Betty Freidan and Gloria Steinem founded groups such as the National Organization for Women to point out these problems. In the 1970s and 1980s, many more jobs and opportunities were opened to women. There were some women like Phyllis Schlafly who opposed Freidan and Steinem and were known as "Anti-Feminists". It was partly because of the Anti-Feminists that an Equal Rights Amendment was defeated, but also because women had already gained equality in many areas and they did not want to be drafted into the army.
In the 1960s, the counterculture was created. Some of the followers of the counterculture were called hippies. They had long hair and acted very liberally, living communally, smoking marijuana and practicing free love. The counterculture, along with college students, were the groups most against the Vietnam War. They also were the groups that listened to new music known as rock and roll.
In 1973, the Supreme Court issued a decision called Roe v. Wade, which made many abortions legal. This, along with the counterculture, led to a reaction by Jerry Falwell and other conservatives who called themselves the "Religious Right" and the "Moral Majority". After Watergate, these forces combined with people who did not like big government to create a new Republican Party who got Ronald Reagan elected President in 1980. Reagan said that "Government is not a solution to our problem, government is the problem".
In the late 1980s and early 1990s, the Cold War came to an end. This was due to the Russian leader Mikhail Gorbachev starting a policy called perestroika, the fall of the Berlin Wall, and the Soviet Union breaking into different countries. Around this time, the United States became a "post-industrial society". That means it did not make as many things as it used to, and had many people working in service jobs. Part of these service jobs were in computers and the Internet, which came into wide use in the 1990s. The United States started to have a trade deficit, meaning it received more goods from other countries, such as China, than it sent to other countries. The Middle East became the main focus of U.S. foreign policy, because the United States got billions of barrels of oil from there. Many countries in the Middle East did not care for the U.S., because it is an ally of Israel. In 1991, the United States fought a war with Iraq called the First Gulf War or Operation Desert Storm. This was due to Iraqi leader Saddam Hussein ordering an attack on Kuwait, a small country that the United States got oil from.
In 1992, Bill Clinton became President. Under Clinton, the United States sent soldiers into Bosnia as part of a United Nations mission. The United States also agreed to a trade bill called the North American Free Trade Agreement, and dropped some of its rules on banking. Many people did not like some of the things Clinton did, and he lost control of Congress to the Republicans in 1994. Clinton was impeached for lying in court about sexual activity with a secretary named Monica Lewinsky, but the Senate voted against removing him as President.
In 2000, George W. Bush was elected President, even though Al Gore got more votes. Soon into Bush's term, terrorists attacked the World Trade Center on September 11, 2001. They took control of four airplanes and crashed two of them into the World Trade Center. Thousands of people died when the buildings burned and fell down. Bush became much more popular with the American people after the attacks. This made it easier for the government to pass a new law called the USA PATRIOT Act. The PATRIOT Act allowed government agencies to collect information about Americans who were thought to be terrorists. Many people thought this law was bad for Americans' rights. Soon after the attacks, the U.S. and NATO went to Afghanistan to find Osama bin Laden and others who they believed planned the September 11 attacks. In 2003, the United States invaded Iraq because some people thought Saddam Hussein had weapons of mass destruction. Many people from around the world did not like the War in Iraq. The wars in Iraq and Afghanistan have lasted many years and have been called a "Long War" or a new American Empire. 
In 2005, the southern United States was hit by a huge hurricane called Hurricane Katrina. Much of the city of New Orleans was destroyed. In 2006, the Democrats won back Congress because Americans did not like the way Bush dealt with War in Iraq or Katrina. Barack Obama was elected President in 2008. He became the first African-American President of the United States. He was elected during the worst recession since the Great Depression. During his first years in office, Obama and Congress passed reforms on health care and banking. They also passed a large stimulus bill to help the economy during the recession. During the recession, the government used large amounts of money to keep the banking and auto industries from falling apart. Obama not only had to deal with the recession, but also a large oil spill in the Gulf of Mexico. A movement called the "Tea Party" started during Obama's presidency. This group opposes Obama's health care plan and other policies they see as "big government." Due to the recession, the Tea Party and a dislike of what Obama did, Republicans won a large number of House and Senate seats in the 2010 election. 
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