In Their Analysis of Chicago's Black Population in the 1940s

In their analysis of Chicago's black population in the 1940s, Drake and Cayton concluded that:

A) compared with those in the South, economic conditions in the North were better for blacks
B) compared with that of blacks in the South, the personal life of blacks in the North was far more disorganized
C) most blacks were unprepared for the rigors of industrial living in the North
D) the situation of blacks in Chicago constituted a northern form of the racial caste system