Please answer the questions

How were native american leaders and egypt leaders similar

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.

What kind of organizations are supported by economic interest groups? a. civil rights organizations b. professional organizations c. womens' rights organizations d. business and trade organizations