Following the Civil War industry began to expand westward thanks MOSTLY to

A) the increasing number of railroads that connected the east coast with the west coast.
Eliminate
B) an end to the immigration quotas that kept the population low during the mid-1800s.
C) the improving diets of Americans.
D) foreign alliances with Europe.

Respuesta :

the answer is option a

The answer is A. Because of the railroad spreading out to the west. More materials could be sent west and more industries could be made :)