World War One Puzzle

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Across
  1. 6. An agreement by both sides to stop fighting while a peace treaty is negotiated
  2. 7. secret telegram sent from Germany to Mexico
  3. 10. paying money as a consequence of WW1
  4. 12. fights in the air were called
  5. 13. the _________________ of Archduke Ferdinand of Austria
  6. 14. alliance between Germany and Austria-Hungary
Down
  1. 1. number of US troops in WW1
  2. 2. the area between the front lines of two enemy armies
  3. 3. formed as a defense against the aggression of Germany and the Central Powers.
  4. 4. plan that called for the quick takeover of France and Western Europe
  5. 5. the large luxury passenger ship that was sunk by a German submarine
  6. 8. airplanes flying above the battlefield and determine the enemy's movements and position
  7. 9. nickname for U.S. soldiers during the war
  8. 11. A type of land warfare where each side digs long lines of trenches for protection