How did the Maasai use "age-set" and "age-grades” to organize young men?

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.

Why did the united states pass the neutrality acts

Which of the following best describes the economic effect that results from the government having a budget surplus?