Why might raising taxes be a risk for struggling cities

What does washington warn will happen if whites don't work with african americans for the bettering of the south? a. at least 90% of the black population will move to the northern industrial cities. b. the south will experience a new and deadlier "second civil war." c. they will prove to be a "body of death" pulling the south down with ignorance and crime. d. blacks will do it themselves and will bypass the whites in progress and wealth.