How was Rockefeller able to build his monopoly across the oil industry?

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asked Oct 27, 2017 3.6k views

2 Answers

Tyler Olthuizen · Answer 1 · 2017-11-01T22:45:16+0000

Rockefeller built the Standard Oil Company in which he bought up oil refineries, cut costs, and reinvested his profits in other refineries.