On the map above , country G is and country H is

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.

Somebody save the ! what was greek math and science also medicine

What do you think should be the most important factor in president considered when picking a supreme court justice