What were some of the tools and methods used to find new lands throughout the world during the Age of Exploration?

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.

How is blue ridge different from the other mountain regions in georgia? check all that apply. it has higher elevations. it has a warmer climate. it includes national forest land. it includes brasstown bald. it has fewer visitors and tourists

Which two sets of political ideas speed as a result of the worldwide depression of the 1930s