World War I

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Across
  1. 3. wear them down!
  2. 7. no progress
  3. 8. assembling troops
  4. 9. steel fencing, slows down enemy soldiers
  5. 10. long stretch, heavy fighting
Down
  1. 1. we didn't want a sequel
  2. 2. area between opposing army trenches
  3. 4. elaborate system of defense
  4. 5. masks will try to protect you
  5. 6. sharp edged, attached to firearm