C. Using a specific model to prove the earth moving around the Sun.
It is b, because my teacher had once taught me about that.
<span>During the Cold War, the US did everything it could to stop the spread of Communism. It believed at that time in the 'Domino Theory' that if one country fell to Communism, all countries in the area would do so.
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Answer:
They helped avoid conflict by not trying to convert them.
Explanation:
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