Unfortunately republicans are also now democrats, and they want to enslave everybody no matter what color.
Northern states had their black codes. too.
"[R]ace prejudice seems stronger in those states that have abolished slavery than in those where it still exists, and nowhere is it more intolerant than in those states where slavery was never known."
......
So the Negro [in the North] is free, but he cannot share the rights, pleasures, labors, griefs, or even the tomb of him whose equal he has been declared; there is nowhere where he can meet him, neither in life nor in death.
In the South, where slavery still exists, less trouble is taken to keep the Negro apart: they sometimes share the labors and the pleasures of the white men; people are prepared to mix with them to some extent; legislation is more harsh against them, but customs are more tolerant and gentle --Alexis De Tocqueville