World War I

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Across
  1. 1. an armored fighting vehicle
  2. 4. Secret Military society in Serbia
  3. 6. Austria-Hungarian Heir spark of WWI
  4. 11. Political and social Revolution
  5. 12. A German Aircraft used in bombings
  6. 13. Peace Agreement that ended WWI
  7. 14. the longest battle during WWI
Down
  1. 2. A plan that Germany had to prepare on fighting on two fronts
  2. 3. Ace German Pilot
  3. 5. A coalition of countries led by Germany, Austria-Hungary the Ottoman Empire and Bulgaria
  4. 7. Soldiers that fought on horseback
  5. 8. A coalition of countries led by France, Britain, Russia, Italy and Japan
  6. 9. an agreement in a war to stop fighting
  7. 10. Area between the Trenches
  8. 13. Long narrow ditches dug into the ground