WWI

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Across
  1. 4. This battle is one of the largest and most devastating involving British forces
  2. 5. Substance first used in WWI, causing severe burns and blindness.
  3. 6. A failed campaign in Turkey involving British and ANZAC forces.
  4. 7. The type of war that involved deep ditches.
Down
  1. 1. German submarines used to disrupt British supply lines.
  2. 2. Airships used by Germans to bomb London.
  3. 3. Agreement that ended World War I.