TRENCHES CROSSWORD! test your knowledge!

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Across
  1. 4. Beef: Canned meat issued to soldiers, durable and high in protein.
  2. 7. Wire: Sharp metal barrier to protect trenches.
  3. 8. Foot: Painful condition from prolonged wet and cold exposure.
  4. 10. Weapon projecting fire to clear trenches and bunkers.
  5. 11. Man's Land: Dangerous territory between opposing trenches.
  6. 12. Explosive artillery fire causing battlefield chaos.
  7. 13. Sheltered spaces for protection from fire and weather.
Down
  1. 1. Shock: Psychological trauma from bombardment stress.
  2. 2. Holes: Shallow pits for temporary cover from enemy fire.
  3. 3. Deep ditches for protection during WWI, lined with sandbags.
  4. 5. Parasites infesting uniforms, causing itching.
  5. 6. Standard attire for soldiers, functional and identifiable.
  6. 9. Warfare: Combat method using toxic chemicals to incapacitate enemies.