How did the Soviet Union come to dominate Eastern Europe after World War II?

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1 point
a. They kept troops in the region and set up communist governments
b. They elected new leaders and gained the trust of citizens

a. They kept troops in the region and set up communist governments

is A. right ??

Yes, that is correct. The Soviet Union maintained a military presence in Eastern Europe and installed communist governments in countries such as Poland, East Germany, Czechoslovakia, Hungary, and Bulgaria after World War II. This allowed them to exert control and influence over the region.