1. Which of these factors did NOT contribute to the growth of industries after the Civil War?

A. natural resources
B. immigrants
C. the spread of the railroads
D. the first national parks

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

What was the result on the u.s. economy because of the major changes in atlantic shipping prior to and during the war of 1812?

All of the following were grievances against the king of england except: