WWI Crossword Puzzle

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Across
  1. 3. a group of ships traveling together accompanied by warships
  2. 10. the "powder Keg"
  3. 11. Involved in starting WWI
  4. 13. His assassination caused Austria-Hungary to declare war on Serbia
  5. 17. man's land disputed ground, as between the front trenches of opposing sides
  6. 18. a protective mask used as a defense against poisonous gas
  7. 19. a large German airship for reconnaissance and bombing
  8. 20. used to promote people to join the army
  9. 21. a person who has been forced to leave their country in order to escape war
  10. 23. a policy of maintaining a strong military prepared for war
  11. 24. a final demand or statement of terms
  12. 27. What was Turkey
  13. 29. Ally of Austria-Hungary
  14. 32. a situation in which no action can be progress made
  15. 35. warfare combat in which opposing troops fight from trenches
  16. 36. the strait that separates European Turkey from Asian Turkey
  17. 37. Largest country in the world
Down
  1. 1. an armored vehicle armed with machine guns and caterpillar treads
  2. 2. compulsory enlistment into armed forces
  3. 4. the state of not supporting either side in a war
  4. 5. a gaseous substance used in warfare to kill or harm
  5. 6. dogs that go to the front lines to bring messages
  6. 7. prepare and organize of troops for active service
  7. 8. The mother country of the United States
  8. 9. a territory created by the German Empire in 1871
  9. 10. Welsh soldier who from 1916 to 1918 organized the Arab revolt against the Turks
  10. 12. a Serbian that assassinated Archduke Franz Ferdinand of Austria and his wife
  11. 14. a 1918 statement that says the war was being fought for a moral cause
  12. 15. an extremely cruel act
  13. 16. The "Boot" ಠ_ಠ
  14. 22. an informal alliance
  15. 25. Neutral until Germany invaded
  16. 26. The french country in Europe
  17. 28. a civilian cruise ship sunk by German U-boats
  18. 30. wire with short, sharp spikes set along it, used on no man's land
  19. 31. a German submarine
  20. 33. planes armed with machine guns and engaged in dogfights
  21. 34. when a country converts all of their resources to their effort