Lest we forget

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Across
  1. 4. military campaign
  2. 7. commerating
  3. 11. 8 of them
  4. 12. Cooperating for milatry
Down
  1. 1. Agreement to stop
  2. 2. lond experiance
  3. 3. came after war
  4. 5. toys to fight
  5. 6. ari buno
  6. 8. something to remind
  7. 9. shoot
  8. 10. gun