When did the first conquistador come to florida ?

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 region of georgia grows the most crops? appalachian plateau coastal plain piedmont ridge and valley

Which of these rose during the great depression?