World War I

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Across
  1. 1. The weapon introduced by the Germans in 1915 to break the trench stalemate
  2. 4. Central Powers ally of Germany
  3. 7. Weapon that fired multiple rounds without reloading
  4. 8. Major treaty that ended WWI
  5. 9. Country that declared war on Austria-Hungary, triggering the conflict
Down
  1. 1. Country that first used poison gas on a large scale in battle
  2. 2. The type of fighting for which the Western Front was known
  3. 3. Explosive weapon used to throw into trenches
  4. 5. France, Great Britain, Russia and the United States made up this alliance
  5. 6. Country that fought primarily on the Eastern Front