World war 1

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Across
  1. 3. gain advantage
  2. 7. Drafting
  3. 10. Blisters
  4. 12. Had to warn ships before take them out
  5. 13. Mostly made of wood
  6. 14. Austria-Hungary
Down
  1. 1. Great britain
  2. 2. Promise to warn before sinking
  3. 4. taken away in second world war
  4. 5. Reason U.S joined the war
  5. 6. More deaths on both sides when used
  6. 8. Most of the war was fought in
  7. 9. New type of gun weighed a lot
  8. 11. Ruler with unlimited power
  9. 15. Broke down and slow