The correct answer is A) Jim Crow.
The name that refers to the body of laws that established segregation and "separate but equal" policies across the south is Jim Crow.
The Jim Crow laws were a series of legislation in the southern states These laws enforced segregation based on race and limited the rights of the African Americans in the South. This happened during the Reconstruction period after the Civil War, in a moment when white Democrats did not accept abolitionists' ideas.