Question 111
A growing nation
Why did the United States enter the Vietnam War?
The United States fought in the Vietnam War (1955-1975) to stop the spread of communism from North Vietnam to South Vietnam. During the Cold War, America followed the “domino theory” – leaders believed that if one country became communist, neighboring countries would follow.
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A growing nation
The Nation’s first motto was “E Pluribus Unum.” What does that mean?
QUESTION #124
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The colonists came to America for many reasons. Name one.
QUESTION #73
A growing nation
Who lived in America before the Europeans arrived?
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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.