Dayana's crossword puzzle

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Across
  1. 5. A country that got help from the U.S.
  2. 6. when countries fight over other countries
  3. 8. The country that owned the Lusitania boat but got sunken by a central power
  4. 9. This is the side the U.S. joined during the war
  5. 10. a country that destroyed U.S. boats that had goods for Britain
Down
  1. 1. someone killing someone else on purpose
  2. 2. This is the enemy that Germany led
  3. 3. when people believe they must have the best military
  4. 4. people who are proud of their culture
  5. 7. an agreement between countries