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
Maritime history of the United States (1776–99) Maritime history of the United States (1776–99) The Maritime history of the United States (1776–1799) (not to be confused with maritime jurisdiction or law under law of nations) begins with the British colonists before 1776, American merchant vessels had enjoyed the protection of the Royal Navy. During the American Revolution, American ships came under the aegis of France due to a 1778 Treaty of Alliance between the two countries. The first war that an organized United States Merchant Marine took part in was the American Revolutionary War, which lasted from 1775 to 1783. The first merchant marine action in the