Across
- 3. Man made waterway
- 6. 9th US president
- 10. 3rd US president
- 12. Machine invented by Eli Whitney to remove cotton seeds
- 14. 11th US president
- 15. 16th US president
- 18. Legally cancel
- 19. 2nd US president
- 20. Moving from one country to another
Down
- 1. Steam powered ship
- 2. 1st US president
- 4. 7th US president
- 5. 4th US president
- 7. 6th US president
- 8. Putting region above country
- 9. 10th US president
- 11. Cars powered by steam
- 13. 5th US president
- 16. Refusal to buy certain goods
- 17. 12th US president