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History, 21.06.2019 20:10
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.
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History, 21.06.2019 21:40
Why are primary sources important when studying historical events
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History, 22.06.2019 05:30
Europe and asia are divided by a. the alps c. the pyrennes b. the northern european plain d. the ural mountains select the best answer from the choices provided a b c d
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