What was the result of the battle of stalingrad?
a. the prolonged battle cost the german army profoundly in troops and equipment and enable a soviet advance
b. the resolve of the german army led stalin to agree to a nonaggression pact with hitler
c. the german forces held out long enough to end the soviet advance westward
d/ the starvation of the soviet troops resulted in their defeat and allowed german forces to capture important oil fields