FIRST WORLD WAR

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Across
  1. 4. canadian fighter pilot
  2. 8. no man's ____
  3. 9. unrestricted use of these
  4. 10. type of truce in 1914
  5. 14. weapon introduced in the Battle of the Somme
  6. 16. longest battle 302 day
  7. 17. assassination city
  8. 21. - author of In Flander's Fields
  9. 22. , shell shock
  10. 25. month US entered the war in 1917
  11. 26. Competition between empires for colonial territory.
  12. 27. the eastern and western battlegrounds
  13. 28. unified force at Vimy
  14. 30. The aggressive build-up of military forces.
Down
  1. 1. assassinated
  2. 2. Red Baron
  3. 3. name of the serbian secret society
  4. 5. plan to invade France quickly
  5. 6. leader was Lenin
  6. 7. location of the first battle for the canadians
  7. 11. The complex network of military alliances that created a domino effect.
  8. 12. month in 1918 that ended the war
  9. 13. neutral country
  10. 15. nicholas II
  11. 18. city of the treaty
  12. 19. role of plans in WWI at first
  13. 20. name of the first world war
  14. 23. Intense patriotism and rivalry between nations.
  15. 24. motorized tansportant to the battle of the marne
  16. 29. chlorine and mustard