Answer:
1) The Railroad
2) The People
3) The introduction of new power sources
4) Most settlers used them when traveling to the West.
5) The narrow waterways
6) It was used as a substitute for train travel.
7) It was drawn by horses for a portion of the journey.
8) Cumberland Road
9) It connected the north to the south in a direct trip.
10) "Slaves became more important and valuable" "Southern attitudes about slavery hardened" "Cotton became the principal southern crop" "Cotton became a major U.S. export" and "Land under production declined"
Explanation:
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