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
Signing of the United States Declaration of Independence delegation before the August 2 signing. Rogers had voted for the resolution of independence but was no longer a delegate on August 2. Alsop favored reconciliation with Great Britain and so resigned rather than add his name to the document. Dickinson refused to sign, believing the Declaration premature, but he remained in Congress. George Read had voted against the resolution of independence, and Robert Morris had abstained—yet they both signed the Declaration. The most famous signature on the engrossed copy is that of John Hancock, who presumably signed first as President of Congress. Hancock's large, flamboyant signature became iconic, and