For about ten years after the Civil War the biracial republic worked, and almost all of its problems were created by unreconstructed white Southerners. Then came redemption in 1876, and the North — which had lost hundreds of thousands of men ending exactly that — let it go. Joseph Kelly's answer is the uncomfortable one: the Southern playbook had become useful to Northern industrialists sorting a new immigrant workforce.
Full episode: https://youtu.be/SwCe94cYX0Y