What were the main goals od stalin's "great purge"?

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.

The idea that government is not above the law is an example the principle of powers between state and national governments.the principle power.coining money is an example of athe concept that goverment's powers come from the people is

Which event resulted from a missed meeting between british generals howe and burgoyne? a.the british victory at princeton b.the surrender of general howe c.the surrender of lord cornwallis d.the continental army’s victory at saratoga