Whent did industrial revolution happened?

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.

Explain how republicans gained control of southern state governments?

What governments allow the use of the initiative, the referendum, and the recall? a. all state governments and the federal government b. some state governments and the federal government c. some state governments d. all state governments