All of the above! Resource base, states/unstated goals, and membership.
I would think that it is C which was concerned about growing German domination of Europe because the United States at this part of the war was still neutral and it's allies in Europe were taking a beating especially Great Britain. France was out of the picture. China wasn't doing so well either. So, the US in an effort to help its allies while still remaining neutral, passed the Lend Lease Act which provided, military, financial support to the countries that needed immediate help/.
I’d like to say that it would be probably A
It was ruled by King Agamemnon. Hope I helped!
Russia was. Joseph Stalin promised what the people didn't have.
Hopes this helps