I think it's B but i'm not sure. i hope this helped :)
Answer:
Both Gates and Carnegie used their wealth in an attempt to better society.
Explanation: I just did the test
The leaders of those allied countries were referred to as the Big 3 WWII. The Big Three were Great Britain, the United States, and the Soviet Union with their leaders being Winston Churchill, Franklin D Roosevelt and Josef Stalin respectively.
Probably A., Europe was made up of Capitalistic countries for the most part--still is--and they wanted the materials. Didn't care about much else.