American History II 300 word answer and one 200 word journal entry

Help me study for my History class. I’m stuck and don’t understand.

Describe the ways the United States adapted to change and the expectations that came with being a superpower during the Cold War. What was the biggest challenge that the United States had to overcome with the rising pressure of Communism? How did the changing national interests impact American perspectives on society?

Your response should be a minimum of 300 words.

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Imagine you were a citizen in the United States when you found out Sputnik launched into space. How do you think you would have responded?

Your journal entry must be at least 200 words. No references or citations are necessary.