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) the federal government's powers of defense and taxation with the Constitution of the United States of America in 1789, still in effect today. During the seventeenth and eighteenth centuries, the British colonies in America had been largely left to their own devices by the crown; it was called salutary neglect. The colonies were thus largely self-governing; half the white men in America could vote, compared to one percent in Britain. They developed their own political identities and systems which were in many ways separate from those in Britain. This new ideology was a decidedly republican political viewpoint, which rejected royalty,