Question 110
A growing nation
Why did the United States enter the Korean War?

The United States entered the Korean War (1950-1953) after communist North Korea invaded South Korea. America led a United Nations force to defend South Korea and prevent the spread of communism across Asia during the Cold War. 

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Who was the United States’ main rival during the Cold War?
QUESTION #108
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Name one American Indian tribe in the United States.
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Name one example of an American innovation.
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Section "Learn and Explore" uses official instructions and media files of US Citizenship and Immigration Services, US National Museum of American History, The Smithsonian Institution and other governmental and public organization.