First world war

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Across
  1. 1. began in 1914
  2. 3. where most Western Front battles were fought
  3. 6. Alliance of Germany,Austria-Hungary, and Italy
  4. 7. gas used during WWI
  5. 9. that switched sides in the war, from Central to Allied Powers
  6. 11. term for agreement to stop fighting
Down
  1. 2. was also called “The Great ____”
  2. 4. Austria-Hungary, and Ottoman Empire formed the ______ Powers
  3. 5. treaty ended World War I
  4. 8. event that sparked World War I: Assassination of Archduke _______
  5. 10. of the new warfare used with trenches