Slavery is an atrocity. Slavery in the US was overwhelmingly horrific for blacks. The 13th, 14th and 15th Amendments benefited blacks, and real progress was initially made in the post-Civil War era. Black men were voting and, in many instances, getting elected to public office. Then organized bigotry, the then-racist Democratic Party and Plessy v. Ferguson came along and things quickly deteriorated. The decades that followed were disastrous for blacks, particularly in the south. Finally, in 1954, Brown v. Board of Education marked an important change. So did the Civil Rights Act of 1964 and the Voting Rights Act of 1965.