Across
- 2. Man-made rivers
- 4. Helped people communicate from long distances
- 5. Inventor of the Cotton Gin and interchangeable parts
- 7. The practice of using children in work
- 8. The practice of efficiently mass producing products
- 9. An era which included many new inventions and new ways of doing things
Down
- 1. Parts that were able to fit into other machines without custom fixing
- 3. Transported people and goods over water
- 6. Revolutionized travel over land
- 7. Increased cotton production and slave labor
