History assignment

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Across
  1. 4. People who leaves the army
  2. 7. A system that makes more food with less workers
  3. 8. The confederate(south)'s most famous ironclad
  4. 9. The Unions(north)'s most famous ironclad
  5. 10. Used for communication in the war
  6. 12. Draft law
Down
  1. 1. As known as the manassas to the confederate
  2. 2. Law that if you have more than 20 slaves you don't need to join the war
  3. 3. His compromise was the last thing to stop the war but it failed
  4. 5. Replaced Johnson while he was injured
  5. 6. Fort where the first shot of the civil war was shot
  6. 11. People who buys food/medicine, help slaves/families, etc. during the war