Answer:
B) If one country falls to communism, its neighbors are also likely to do so.
Explanation:
This fear of communism spreading was due to America's rivalry with the Soviet Union after World War II. This era of competition for global influence and power is known as the Cold War. During this time, the US worried about the spread of communism and the domino theory.
To prevent this domino theory from taking place, the US government adopted a policy of containment. Containment was focused on stopping the spread of communism to new countries. This is one of the reasons why the US would get involved in the Korean and Vietnam Wars.
The documents contained details about decisions to expand the war, and confirmed what many Americans had long believed: the government had not been honest with them.
Answer: There was continued diffusion of crops and pathogens throughout the Eastern hemisphere along the trade routes.
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Explanation:
