Question

3.5.2 test (cst): america in the age of jackson
question 4 of 20
what was the most important part of the transportation revolution?
a. turnpikes
b. streetcars
c. the steam engine
d. railroad tracks

Explanation:

The steam - engine was a revolutionary power source that enabled the development of steam - powered boats and locomotives, which transformed transportation. Turnpikes, streetcars, and railroad tracks were important, but the steam engine was the key innovation driving the transportation revolution.

Answer:

C. The steam engine