World War I

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Across
  1. 4. German letter sent to Mexico that prompted US involvement in WWI
  2. 5. All aspects of society are dedicated to the war effort
  3. 7. Desperate Russian offensive in 1916
  4. 10. The Russian 2nd Army was wiped out here
  5. 11. policy to sink ships around the British Isles
  6. 15. what country took Germany's islands in the pacific
  7. 16. Campaign to take the Dardenelles Strait
  8. 17. The St Chamond Tank and Flamethrower were introduced in this battle
Down
  1. 1. Trench warfare began at this battle
  2. 2. November 11th 1918
  3. 3. Germany's plan to avoid a two front war
  4. 6. Brutal fighting in this forested region
  5. 8. Present day Turkey was once this Empire
  6. 9. This country switched from the Triple Alliance to the Allies
  7. 12. Who got caught in the crossfire of World War I
  8. 13. What western front battle was started to relieve pressure at Verdun
  9. 14. This country withdrew because of an internal crisis