How did the the transcontinental railroad affect the US commerce?

The railroad increased commerce by making shipping easier and cheaper. iron and machinery. Due to the railroads, American settlers were able to travel west in larger numbers.

Explanation:

your answer will be b. improving roads, bridges, and other infrastructure. hope i !

1(a) traditional methods of production are upheld.

2(d) to convert private property to state-owned property

3b) feudalism

5(a) question

6(c) to preserve the past

7(d) the opportunity to make a profit

8(b) get paid by the government

could not do 4 sorry. . hope this