Across
- 1. — Abolitionist who raided Harpers Ferry
- 4. — Compromise admitting Missouri as a slave state
- 7. — The document declaring American independence
- 9. — Supreme Court decision denying citizenship
- 13. — South Carolina's threat over tariffs
- 15. — Act allowing popular sovereignty on slavery
- 16. — Location of first shots of the Civil War
- 18. — Agreement including Fugitive Slave Law and California as free state
- 19. — Harriet Beecher Stowe’s anti-slavery novel
- 20. — Tariff causing Southern protest
Down
- 2. — Law banning slavery in Northwest Territory
- 3. — Law requiring return of runaway slaves
- 5. — The railroad helping enslaved people escape
- 6. — Proclamation freeing slaves during Civil War
- 8. — War adding large territories to U.S.
- 10. — Event triggering Southern secession
- 11. — First shots of Revolutionary War fired here
- 12. — Battle symbolizing Texas fight for independence
- 14. — War fought between the U.S. and Britain
- 17. — Purchase from France doubling U.S. size