The State Department withdrew a promise to help the Soviets rebuild their economy after D. the Soviets undermined free elections in Poland. This was one of the key events that marked the beginning of the Cold War between the United States and the Soviet Union. The US government viewed the Soviet intervention in Poland as an aggressive move, and this led to a significant shift in US policy towards the Soviet Union. The decision to withdraw aid to the Soviet Union was part of a broader strategy to contain Soviet expansionism and limit the spread of communism around the world.
The answer is D.