AP US Historymediummcq1 pt
Which of the following best explains the contribution of the transcontinental railroad to the growth of a national market economy?
A.It ended western dependence on eastern railroads by creating an independent transport network.
B.It guaranteed high profits for Plains farmers by eliminating freight costs.
C.It lowered the cost of moving goods and people between regions, linking western producers to eastern consumers.
D.It made canals the fastest-growing form of transportation in the West.