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

I believe the answer is: It owned ninety percent of US oil refineries.

At the peak of its power, Standard oil managed to buy out almost all of its competitors and provide oil consumers with barely any options in choosing their oil products. They do this in order to gain leverage to control oil prices since there was no competition that can threaten their consumer base.

B) It owned ninety percent of US oil refineries

federal appellate courts are called courts of appeals. cases can be further appealed to the u.s. supreme court. cases are heard for the first time in a trial court. if either party disagrees with the decision in the trial court, they can appeal, asking a higher court to review the decision.

the war in the pacific

explanation: