what made standard oil a horizontal integration monopoly? it owned ninety percent of us oil refineries. it…

what made standard oil a horizontal integration monopoly? it owned ninety percent of us oil refineries. it controlled all aspects of oil production. it operated all across the united states. it formed a trust.

what made standard oil a horizontal integration monopoly? it owned ninety percent of us oil refineries. it controlled all aspects of oil production. it operated all across the united states. it formed a trust.

Answer

Brief Explanations:

Horizontal integration is combining many firms in the same business. Owning 90% of US oil refineries means Standard Oil had combined a large portion of firms in the oil - refining business, creating a monopoly. Controlling all aspects of oil production is vertical integration. Operating across the US doesn't define horizontal integration. Forming a trust is a method but not the defining characteristic of horizontal integration here.

Answer:

It owned ninety percent of US oil refineries.