How Was the Black Vote Related to the Desegregation of the Military

How was the black vote related to the desegregation of the military after World War II?

A) Black voters helped to stall the eventual desegregation of the military.
B) Black voters made no impact on the pace of desegregation of the military.
C) Black voters helped to hasten the desegregation of the military.
D) Black voters failed to vote in sufficient numbers to change segregation in the military.