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 war upon Spain United States declaration of war upon Spain On 25 April 1898, the United States Congress declared war upon Spain. The ensuing Spanish–American War resulted in a decisive victory for the United States, and arguably served as a transitional period for both nations. Spain saw its days of empire fade, as the United States saw the prospect of overseas empire emerge. The war was ended by the Treaty of Paris signed on December 10 that same year. The Spanish–American War originated out of the Cuban War of Independence, launched in February 1895. For decades the United States had watched political developments