Across
- 3. went from 3000 to 31000 miles in 20 years
- 7. built in 1830s
- 9. used machines to work
- 10. apparatus that’s used electric signals to transmit messages
Down
- 1. failed and took ten years to perfect
- 2. allowed grain, animals, and dairy to travel
- 4. began to build factories
- 5. divided up the work
- 6. a way to transmit messages using dots and dashes instead of the alphabet
- 8. parts of industrialization in the North
