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
United States Declaration of Independence independence until after Congress had made its decision. Political maneuvering was setting the stage for an official declaration of independence even while a document was being written to explain the decision. On June 11, 1776, Congress appointed a "Committee of Five" to draft a declaration, consisting of John Adams of Massachusetts, Benjamin Franklin of Pennsylvania, Thomas Jefferson of Virginia, Robert R. Livingston of New York, and Roger Sherman of Connecticut. The committee took no minutes, so there is some uncertainty about how the drafting process proceeded; contradictory accounts were written many years later by Jefferson and Adams, too many years