John D. Rockefeller crush his competitors, by doing the shortage of the tanks of oils transportation. He was also engaged in unethical practice like predatory pricing.
How did Rockefeller treat his workers?
Rockefeller was a legitimate billionaire. His labor practices were deemed unfair by critics. Employees pointed out that he could have paid his employees a higher wage and remained a half-billionaire.
Rockefeller gave away nearly half of his fortune before his death in 1937.
Thus, John D. Rockefeller crush his competitors, by doing the shortage of the tanks of oils transportation.
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