These striking changes in the progress and retrogressions in black-white relations over time have been too large and too numerous in different settings to be simply Discrimination II—based on a false perception by whites—and more closely fit the consequences of Discrimination IB, a correct perception of behavioral changes in local black communities outside the South, as those communities began to consist increasingly of people steeped in a culture that originated in the South, and was unwelcome in the North by both black and white Northern communities.
