World War 1

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Across
  1. 2. Coded message sent to Mexico proposing a military alliance against the US?
  2. 4. True or false the Christmas Truce took place on Christmas Day?
  3. 7. what month did the Christmas Truce take place in?
  4. 9. where was the Zimmerman Note sent to?
  5. 10. how many days did the Christmas truce last?
  6. 13. A series of widespread unofficial ceasefires that took place around christmas of 1914?
  7. 15. how many months did it take for a truce?
  8. 18. Who sent the Zimmerman note?
  9. 20. who was killed in the submarine warfare?
Down
  1. 1. how many military personnel were killed worldwide on Christmas day during the Christmas truce?
  2. 3. Germany retaliated by using it's submarine to destroy neutral ships?
  3. 5. what was the zimmerman note used for?
  4. 6. Who used unrestricted submarine warfare during WW1?
  5. 8. what were submarines used for in WW1?
  6. 11. Where did all these events take place?
  7. 12. True or false the christmas Truce took place in 1915?
  8. 14. who was the Zimmerman note against?
  9. 16. What month did the Zimmerman Note take place?
  10. 17. what did submarine warfare lead to?
  11. 19. Who was the Zimmerman note intercepted by?