World War I Crossword Puzzle

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Across
  1. 3. Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria.
  2. 5. Britain, France, Russia, Italy, the United States, and their allies.
  3. 6. A long ditch used by soldiers for protection.
  4. 7. The peace treaty that ended World War I.
  5. 9. The president of the United States during most of World War I.
  6. 10. The dangerous area between opposing trenches.
  7. 11. An armored vehicle used in combat.
  8. 12. Information uses to influence public opinion
  9. 13. The murder of an important person for political reasons.
Down
  1. 1. The year World War I started.
  2. 2. The emperor of Germany during World War I.
  3. 4. The heir to the throne of Austria-Hungary that was assassinated which led to the start of World War I.
  4. 7. The name of World War I before World War II.
  5. 8. German Submarine.
  6. 14. An agreement between countries to support each other.