Explain the "Power of Population."

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.

Overpopulation puts severe stress on the environment because .

After the french and indian war how did enland try to pay for the cost of the war