Andrew Johnson took office in 1865 and aimed at a return to normality. He was sympathetic to the Southern states, giving them the confidence to pass Black Codes.
Under Andrew Johnson, once southerners had sworn an oath of loyalty to the Union, they could elect state assemblies which would ratify the Thirteenth Amendment.
Hayes Compromise 1877 - South Carolina and Louisiana would vote for Hayes if the states were given greater agency.
Some presidents, like the otherwise progressive Woodrow Wilson(1913-21) believed in white supremacy.
FDR’s New Deal didn’t cover agriculture or domestic service, meaning many black people were excluded.
Eisenhower was against ending ‘separate but equal’, but he did enforce the desegregation of schools.
Even conservative southerner Truman was bitterly criticised by democrats for expressing concerns about civil rights and condemning lynching and violence.
The Kennedy administration saw itself as modernising, but he was slow to make civil rights the key element in his admin.
The liberalisation involved in civil rights legislation opened administrations to the charge of being communist in the Cold War era.
President Grant was prepared to suspend habeus corpus and use federal troops in South Carolina in 1871 against the violence caused by the Klan.