World War I

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Across
  1. 3. Telegram sent to Mexico that the US intercepted
  2. 4. Person who shot Ferdinand which arguably starts the war
  3. 8. ”Dude got shot”
  4. 9. Weapon used that suffocated people to death
  5. 12. Invention used by U-boats to see
  6. 13. American ship sunk by German U-boats
  7. 15. Weapon used mainly in trench warfare
  8. 16. Germany, Aust-Hung, Italy
  9. 19. Troops who were quick and moved around alot
Down
  1. 1. Type of warfare that used machine guns and resulted in little to no movement
  2. 2. Aircrafts used which used a machine gun
  3. 3. Giant airships like the Hindenburg
  4. 5. France, Russia, England
  5. 6. Armored weapon devised to break the stalemate
  6. 7. My gun is bigger than your gun theory
  7. 10. German plan to surround France at the start of war
  8. 11. Invention that helps move troops
  9. 14. When neither side gains any ground
  10. 17. President of US during this time
  11. 18. German leader is called this