Trench Warfare

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Across
  1. 1. Connected all other trenches
  2. 3. Trenches used to trick the enemies
  3. 5. Infected around 1/3 of the World
  4. 7. Usually led to amputation or death
  5. 8. Caused by body lice
  6. 9. Front line trenches
Down
  1. 2. These trenches had a roof
  2. 4. Trenches that gave supplies
  3. 6. Emergency trench