Help me match them to the people who discovered it for 10 points and brainiest.

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.

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

Reformers worked to change schools by making them more: