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8 August, 13:04

How did john d rockfeller horizontally integrate his monopoly in 1880

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  1. 8 August, 13:28
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    He created a trust that controlled ninety percent of the nation's oil refineries.
  2. 8 August, 13:33
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    John D Rockefeller created a trust that controlled like 90% of the US oil refineries.
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