Across
- 2. A way to get messages across the country
- 3. The belief that the Us can expand from coast to coast
- 4. The ocean to the east of the US
- 5. people traveled this in covered wagons
- 6. The Great _____
- 8. The ocean to the west of the US
- 10. A invention used to clear rocks, stumps, ect.
Down
- 1. A US railroad from coast to coast
- 4. The 7th US president
- 7. The mountains along the US west coast
- 9. Trail of_____