What Was the Result of Mabel K

What was the result of Mabel K. Stauper's efforts for black nurses?

A) Her efforts were never successful. Black nurses would not be accepted until the Vietnam War.
B) The War Department ended quotas and exclusion of black nurses shortly before the end of the war.
C) The War Department enlarged the number of black nurses it accepted, but refused to end quotas.
D) The War Department actually made nursing more restrictive, when they raised requirements for service.