What events after 1900 to shape the russian revolution? explain these events and their outcomes?

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 did tyrants attempt to gain the approval of common citizens?

Initialy plantations everywhere growing cotton