Segregaton in the United States Segregation has existed in the United States of America (U.S.) from its beginnings. Gorge Washington a crop owner and first President of the U.S. had many slaves to work on his plantation. In later years slavery was abolished from the northern states. Slavery was a main factor in the Civil War. During that war Abraham Lincoln's Emancipation proclamation declared slaves free in the still rebellious Confederate states, which led to the Thirteenth Amendment (the abolition of slavery). Later the fourteenth and fifteenth amendment were passed to ensure that African- Americans rites we