Answer:
D
Step-by-step explanation:
A is out because Egypt was always held by the British and therefore the Allies
B is out because the one of the main reasons that the Germans lost North Africa was because they had no gas, so that is out
C is out because Stalin couldn’t care less about Italy or Spain
D is correct because it allowed the Allies to launch a 2nd D-Day in Italy which helped to force the Germans out of France