What key disagreement caused a collapse in the alliance between the United States and the Soviet Union
after World War II?
A. The Soviet Union wanted technology and the military to expand, while the United States wanted
to focus on recovery.
B. The Soviet Union supported communism, while the United States supported democracy and a
free market
C. The Soviet Union supported Italy, Germany, and Britain, while the United States allied with China and France.
D. The Soviet Union wanted isolationism in foreign policy, while the United States shifted to active
engagement.