In the preamble to this Declaration, the Continental congress asserts that "all men are created equal". How did this serve as an ideal to which the Revolution aspired? What groups in American society were, despite this declaration denied full equality?

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.