How did the battle of antietam impact the ecosystem?

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Across
  1. 5. All plant life in an area/rhymes with nation
  2. 8. Guns used in warfare that caused damage to crops/rhymes with facility
  3. 9. Gradual wearing away of soil or rock/rhymes with explosion
  4. 10. Act of causing great damage/rhymes with construction
Down
  1. 1. When animals, like deer, feed on soft vegetation/rhymes with housing
  2. 2. Process which something deteriorates/rhymes with regulation
  3. 3. The clearing or destruction of trees/rhymes with station
  4. 4. When species like deer grow in numbers leading to damaged vegetation/rhymes with transportation
  5. 6. The animals that live in an area/rhymes with knife
  6. 7. Visible features of land/rhymes with seascape