Across
- 5. Another name for a toll road
- 7. A system that brought many people and machines into one building
- 8. A machine for cotton that removed the seeds
- 13. A flat-bottomed boat for carrying materials
- 14. Loyalty to ones region more than to the whole US
- 16. Separate compartments where water levels change for boats
- 17. The first canal built in America
- 20. This gives an inventor the sole legal right to his/her invention
Down
- 1. In the Missouri Compromise, this state became a Free state
- 2. The man who invented a machine that processed cotton
- 3. Erie canal connected Lake Erie to this river
- 4. Scientific inventions that simplify work
- 6. Money for investment
- 9. The name of the first commercial steamboat.
- 10. A Doctrine that forbid further colonization in North & South America
- 11. An artificial waterway for boats
- 12. People who have a share in a corporation
- 15. Identical machine parts that can be changed quickly
- 18. Invented the first commercial steamboat in 1807.
- 19. The economic system used in the USA