Answer:
D. All of the above.
Explanation:
The Iron Curtain was an illusory boundary established in Europe to divide into two areas at the end of World War II. The Iron Curtain continues until the end of the Cold War. Near the end of World War II, the Soviet took many territories and started exercising military and political power. East Germany, Romania, Poland, Czechoslovakia, and Hungary were some of the satellites states of the Soviet Union. The Soviet Union separate its satellite states from open contact with the West.