Gertrude Simmons bonbon (Zitkála-Šá)and the national council of American Indians

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 do you think was a drawback to this method of calculating distance

What stalled germany's initial invasion into france in 1914