What were some of Hypatia's contributions during her life time?

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.

The theory of mercantilism holds that a nation's economic power comes from a a. enslave people b. become industrial c. willingness to explore d. favorable balance of trade

Was president roosevelt justified in ordering executive order 9066, which resulted in the internment of japanese american citizens? write a clear claim that responds to this writing prompt.