Which statements about the Cold War are true? Choose all answers that are correct.
A The United States sent aid to countries that were at risk of falling to communism
B Berlin, the former German capital, was divided among France, Great Britain, the United States, and the Soviet Union.
C The United States and the Soviet Union were suspicious and mistrustful of each other
D East Germany became an American ally during the Cold War, while West Germany aligned itself with the Soviet Union.