World War 1

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Across
  1. 3. Term used to describe the deadlock on the Western Front during the First World War.
  2. 5. Heir to the Austro-Hungarian Empire. He was assassinated 28th June 1914.
  3. 9. German submarine, taken from the German 'Unterseeboat
Down
  1. 1. To have power or influence over.
  2. 2. Name given to the daily evening routine in the trenches.
  3. 4. Name given to the daily morning routine in the trenches.
  4. 6. To leave or run away from.
  5. 7. Something designed to stop a person or people from doing something.
  6. 8. Term for enemy aircraft engaged in aerial combat.