j-macDuring the early part of the 20th century, the Presidents and the Congress worked together to decrease the number of federal appointments to blacks and to ensure that federal officials in the south were sympathetic to the cause of white supremacy. During the early years of the Wilson administration (1913-1917), the Democratic Representatives submitted more racist legislation than had been introduced to any previous Congress. Disfranchised and demoralized, few blacks voted during these years, leading to an even greater indifference of both parties to the black vote. The Republicans did not need black votes to control Congress, and Democrats did not care about a black constituency.
When legislation was introduced to protect blacks, Democrats convinced Republicans to join them in their disregard for civil rights and suffrage for blacks.
The Rise and Fall of Jim Crow. A National Struggle . The Congress | PBS