Assuming that "The north/south thing where black folks are concerned is inert. It mattered not" is true, how you explain the Great Migration of Black folks from the South to the North?
The end of reconstruction for one thing. 'Bout as soon as the federal
troops were pulled black folks were severely vulnerable.
Now we can say that 498 degrees F is cooler than 500 degree F,
however, one would still get burned to the 3rd degree nonetheless...
This is what I mean:
Are you familiar with the origins of unions?
Originally, they were created to phase blacks
out of the work force. Because afrikan folk
were free with mad skills, maintaining this
countries infrastructure, for a lower price.
Some white jew name gompers organized
to replace these skilled black former slaves
with yt's. If you haven't, I encourage
you check out both volumes of "the secret
relationship between blacks and jews". The
noi research dept. did an exemplary job on
researching this stuff.