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 view ultimately prevailed. "In Lincoln's hands," wrote Maier, "the Declaration of Independence became first and foremost a living document" with "a set of goals to be realized over time". Like Daniel Webster, James Wilson, and Joseph Story before him, Lincoln argued that the Declaration of Independence was a founding document of the United States, and that this had important implications for interpreting the Constitution, which had been ratified more than a decade after the Declaration. The Constitution did not use the word "equality", yet Lincoln believed that the concept that "all men are created equal" remained a part of the