to what extent were stalin's five year plans successful in transforming agriculture and industry in the Soviet Union between 1928 to 1941 (essay form)​

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.

Approximately how many americans, from both the north and the south, were killed in battle during the civil war?

Do you think the fascist nations of the axis powers could have been stopped? could the world war 2 be prevented?