The U.S. sided with democratically based governments, especially after Nazi Germany attacked France and Britain. Pearl Harbor was an attack on the U.S.
<span>To prevent communism from spreading. Containment was a United States strategy utilizing various methodologies to keep the spread of socialism abroad. A part of the Cold War, this approach was a reaction to a progression of moves by the Soviet Union to amplify its comrade range of authority in Eastern Europe, China, Korea, and Vietnam.</span>
The answer (I believe) is C. Definitely not D, and B. seems unlikely too along with partnerships.
