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History, 02.03.2021 23:20 jonystroyer1020
How did John D. Rockefeller's purchase of a barrel-making factory contribute to the expansion of his petroleum business?
А
It allowed him to reduce his cost of production
B
It allowed him to guarantee he had the best barrels.
С
It allowed him to diversify his investments and make more money.
D
It allowed him to make enough money building barrels to buy established petroleum companies.
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