Which of the following statements best explains why the United States began supporting Greece and Turkey in 1946? Select all that apply. Group of answer choices (Multiple Choice)

A. The Red Army had invaded Greece towards the end of the war and they refused to leave.

B. Turkey was at risk of falling to communism because of their close proximity to the Soviet Union.

C. Stalin wanted to gain control of Turkey because it was the first step in gaining control of Asia.

D. A civil war erupted between communists and non-communists and Great Britain could no longer afford to help support the non-communists.