Answer:
It is simplistic to describe history as "what happened in the past" because it's is not just an accumulation of facts. History goes beyond examining the records of events that have occurred.
It also involves studying to know why those events occurred. When the why is understood, then learning takes place and knowledge gained can be used to repeat and improve upon successes whilst preventing and or correcting mishaps.
This is important because the future is an accumulation of past and present occurrences.
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The correct answer is D) A communist victory in one country could lead to the spread of communism to other countries.
This idea of the domino theory greatly impacted the American federal government's foreign policy during the Cold War. Due to this fear of communism spreading, the federal government adopted the policy of containment. Containment was based on the idea that America was going to stop communism from spreading to other countries. The domino theory and containment were ideas that resulted in America getting involved in several different foreign wars such as the Korean and Vietnam War.
