The Germans Attacked Greece in 1941

The Germans attacked Greece in 1941

A) because the Greeks had recently overthrown Prince Paul, who was a German ally.
B) to communicate Hitler's final break with Mussolini, who had already invaded Greece.​
C) to safeguard vital Romanian oil fields, which were vital to the German war effort.
D) and were successfully repelled by the British.
E) all of the above