World War I Crossword Puzzle

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Across
  1. 2. Soldiers dug these and fought in them.
  2. 6. German word for submarines.
  3. 7. Germany, Austria-Hungary, and Ottomans.
  4. 8. This stated that Germany started WWI.
  5. 10. An agreement to end the war.
  6. 12. An organization of cooperating nations.
  7. 13. To assemble the military.
  8. 14. He led a Mexican revolt in 1911.
  9. 15. Formed in 1882.
Down
  1. 1. The Premier of France.
  2. 3. Allied leaders during World War I.
  3. 4. Republicans who opposed the Treaty of Versailles.
  4. 5. Germany's promise to follow the law.
  5. 9. He never found Pancho Villa.
  6. 11. The largest American effort in the war.