World War Words

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Across
  1. 2. "N" of Main
  2. 6. Red Cross nurse that was shot by Germans
  3. 7. Germany asks Mexico to attack U.S
  4. 8. "I" of Main
  5. 9. the ____ of Archduke Ferdinand caused the war
  6. 11. German plan to focus on the French
  7. 12. Spreading ideas to support a cause
  8. 14. Britain, Russia, Serbia, U.S
  9. 15. aquatic section of military (boats)
  10. 17. In France, where most trench warfare took place
  11. 18. invented by Brits, armored vehicles used in war
Down
  1. 1. Assassinated Archduke Ferdinand
  2. 3. if you don't support either side you are...
  3. 4. Germany, Austria-Hungary, Bulgaria ect.
  4. 5. Holiday celebrated on November 11th
  5. 10. "M" of Main
  6. 13. "A" of Main
  7. 16. preparation of troops for war