World World One

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Across
  1. 2. A formal agreement to end a war
  2. 5. Long, narrow ditches
  3. 7. German submarines used to attack enemy ships
  4. 9. An agreement to stop fighting
  5. 10. Treaty that officially ended WW1
  6. 11. U.S president during WW1
  7. 12. Cutting of supplies to a place by sea or land
  8. 14. Limiting use of food and goods to support troops
  9. 15. A British ship sunk by a German U-boat in 1915
Down
  1. 1. Neither side can move up, they're stuck
  2. 3. Dangerous area between enemy trenches
  3. 4. Posters and media used to influence public opinion
  4. 6. Rapid fire weapon that changed how battles were fought
  5. 8. Secret German message to Mexico
  6. 13. Group of nations including the U.S,Britain and France