190k views
5 votes
Which transportation development had the greatest long-term impact on the American economy?

Steamboat

Canal system

Horse-drawn cart

Steam locomotive

User WYi
by
8.0k points

2 Answers

3 votes
I think it is D. Steam Locomotive
User Uffe Kousgaard
by
7.8k points
4 votes
The answer is:

D. Steam Locomotive


Good Luck!
Hope This Helps :)

User Brimby
by
8.0k points