World War I Puzzle

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Across
  1. 4. World War I was called the "war to make the world safe for __."
  2. 5. Germany, Austria-Hungary, Turkey, and Bulgaria were known as the __.
  3. 8. One of the battles in northern France that Americans participated in (2 words)
  4. 11. Commander of the American Expeditionary Force (3 words)
  5. 12. President Wilson's plans for a __ were included in the peace treaty to end World War I. (3 words)
  6. 14. President who urged Americans to be neutral (2 words)
Down
  1. 1. This treaty officially ended World War I in 1919.
  2. 2. A stalemate resulted when these were dug across northern France.
  3. 3. The leader of Germany who surrendered on November 11, 1918 (3 words)
  4. 6. This country withdrew from the war after suffering an internal revolution
  5. 7. Austrian Archduke who was assassinated in 1914 (2 words)
  6. 9. Germans conducted __ warfare against British ships.
  7. 10. England, France, Russia, and Italy were known as the __.
  8. 13. The U.S. __ rejected the treaty.