The South resisted reconstruction by passing special laws, like the Black Codes and the Jim Crow laws, in order to keep blacks down in a status practically thesame as slavery. Blacks were supposedly free due to the 13th amendment, but they still had no rights, and were being forced to work under stiff work contracts.
The Ku Klux Klan also emerged in the South specifically to keep blacks down and uphold white supremacy. Yet another thing that was done was that Southernerscharged poll taxes, and had literacy tests as requirements to vote, knowing that most blacks at that time had neither the money to do so, or the ability to read