Which of the following charts would best show the population percentages of different ethnic groups in one state?

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.

Which of the following would an isolationist support?

How did cowboy culture reflect the ethnic diversity of the u.s.