1. Name one war fought by the United States in the 1900s. 78 2. Name two national U.S. holidays. 100 3. Who was President during World War I? 79 4. What is an amendment? 4 5. Who was President during the Great Depression and World War II? 80 6. What is the economic system in the United States? 11 7. Under our Constitution, some powers belong to the federal government. What is one power of the federal government? 41 8. Who did the United States fight in World War II? 81 9. During the Cold War, what was the main concern of the United States? 83 10. Before he was President, Eisenhower was a general. What war was he in? 82 11. What movement tried to end racial discrimination? 84 12. What did Martin Luther King, Jr., do? 85 13. What major event happened on September 11, 2001, in the United States? 86

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