World War I

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Across
  1. 4. Country that germany crossed to get to France
  2. 5. Civilian boat sunk by U-Boat 20 in 1915
  3. 9. Britain's highest award
  4. 10. Fire fights between two fronts
  5. 14. US President during WWI
  6. 15. Area between opposing Trenches
  7. 16. Side that Britain was on
  8. 17. Weapon named after German Generals wife
  9. 18. Assassinated by the Black Hand
  10. 19. Largest battle in WWI
  11. 20. Country that switched sides
Down
  1. 1. Weapon that Germany had that killed many in the trenches
  2. 2. Country that mobilized first
  3. 3. Country with the most military deaths
  4. 6. Treaty that ended the war
  5. 7. Germanys telegram to Mexico
  6. 8. Last Tsar Of Russia
  7. 11. Country that joined later in the war
  8. 12. Cease fire during WWI
  9. 13. First country to declare war