After World War II, the United States relationship with the USSR began to break down over ideals related to communism. Choose ALL ways the United States worked to stop the spread of communism.
A) Troops were sent to all communist nations to oversee the governments.
B) United States leaders forced communist leaders out of the United Nations.
C) American troops were sent to assist South Korea when North Korea invaded.
D) South Korea invaded communist North Korea with help from the United States.
E) America and Great Britain helped prevent mass starvation with the Berlin Airlift.