Civil war crossword puzzle

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Across
  1. 1. Book that showed how bad slavery was.
  2. 4. Law to return escaped slaves to owners.
  3. 5. should help with being set free
  4. 9. Secret routes to help slaves escape.
  5. 10. U.S. politician who promoted compromise.
  6. 13. American abolitionist who used violence to try to end slavery
  7. 14. Freed some slaves and is a brave women.
  8. 15. leaving or breaking away from a country or group.
  9. 16. Deal to calm slavery tensions in U.S.
  10. 19. Idea that states can cancel federal laws.
  11. 20. Fighting over slavery in Kansas.
Down
  1. 2. People who hunted escaped slaves.
  2. 3. Kept balance of free and slave states.
  3. 6. An important agricultural product that required more slaves
  4. 7. Helped improve care for the mentally ill.
  5. 8. Warned Europe to stay out of the Americas.
  6. 11. wanting to end slavery.
  7. 12. Cleans and prepares cotton, machine.
  8. 17. War between U.S. and Mexico over land.
  9. 18. Places where slaves were sold to buyers.