crossword puzzle

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Across
  1. 6. sued for his freedom in the supreme court and was ruled as property
  2. 9. extended the MI compromise line to the pacific
  3. 11. owning another human
  4. 12. constitutional unions candidate for president in 1860
  5. 14. number of free states/territories
  6. 18. proposed the Kansas-Nebraska act
  7. 19. U.S. president on Rushmore
  8. 20. began in April 12, 1861
Down
  1. 1. events that unofficially start the civil war
  2. 2. davis mississippi senator who was president of the conederacy when the states seceded
  3. 3. leads to the end of the whig party
  4. 4. divided the nation from free states and slave states
  5. 5. led slaves raid at Harper's ferry
  6. 7. number of slave states/territories
  7. 8. proposed Missouri compromise and compromise of 1850
  8. 10. Kansas being both free and slave
  9. 13. came up with nullification and had the first idea to secede
  10. 15. being free
  11. 16. new party created in 1854
  12. 17. wanted to save the union more than anything