WW1 Crossword Puzzle

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Across
  1. 3. Where most of the fighting took place; extremely dirty and tough conditions
  2. 6. Developing international influence
  3. 8. The treaty that ended the war
  4. 11. The number of ideas in Wilson's outline for peace
  5. 14. The first battle ever filmed
  6. 15. The treaty that ended Russian involvement in the war
  7. 17. The title of the telegram intercepted by the British
  8. 18. The ship that was torpedoed by German U-Boats
  9. 19. The General of Germany's military
  10. 20. The first country to be invaded in WW1
  11. 21. The Plan to invade small countries first
  12. 22. A cease-fire
Down
  1. 1. A terrorist organization from Serbia
  2. 2. The country that is blamed by most historians for WW1
  3. 4. Britain, France, the US and Italy
  4. 5. Militarism, Alliances, Imperialism and Nationalism
  5. 7. The final offensive of the German military, intending to win the war
  6. 9. Influenced American opinion about the War
  7. 10. The American General in WW1
  8. 12. Germany, Bulgaria, Ottoman Empire and A-H
  9. 13. Issued an ultimatum to Serbia after the assassination
  10. 16. The first major allied victory in WW1