ww1

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Across
  1. 4. German U-boat
  2. 5. Battle of _____
  3. 6. A note that made the US join the war
  4. 10. Triple _____ known as Central Powers
  5. 13. Woodrow Wilsons Fourteen _____ to achieve peace
  6. 15. last name of the Russias Leader during WW1
  7. 17. War that took more than 9 million lives
  8. 18. Ended in this month
  9. 19. UKs Leader during WW1
  10. 20. last name of the Germanys Leader during WW1
Down
  1. 1. last name of The Archduke that was murdered starting WW1
  2. 2. declares war on Serbia on July 28, 1914
  3. 3. The poisonous gas that was used during the war
  4. 7. Triple _____ known as Allies
  5. 8. flying weapon used for observation and combat
  6. 9. Sinking of the ______
  7. 11. last name of Austria-Hungary's Leader during WW1
  8. 12. Started in this month
  9. 14. long, narrow, ditch
  10. 16. tanks, gas, submachine guns, U-boats
  11. 17. last name of the U.S. Leader during WW1