Slavery in the United States Slavery in the United States Slavery in the United States was the legal institution of human chattel enslavement, primarily of Africans and African Americans, that existed in the United States of America in the 18th and 19th centuries. Slavery had been practiced in British America from early colonial days, and was legal in all Thirteen Colonies at the time of the Declaration of Independence in 1776. It lasted in about half the states until 1865, when it was prohibited nationally by the Thirteenth Amendment. As an economic system, slavery was largely replaced by sharecropping. By the time of the American
History of the United States (1776–1789) History of the United States (1776–1789) Between 1776 and 1789, the United States of America emerged as an independent country, creating and ratifying its new constitution and establishing its national government. In order to assert their traditional rights, American Patriots seized control of the colonies and launched a war for independence. The Americans declared independence on July 4, 1776, proclaiming "all men are created equal". Congress raised the Continental Army under the command of General George Washington, forged a military alliance with France and defeated the two main British invasion armies. Nationalists replaced the governing Articles of Confederation to strengthen