Question

which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nations oil refineries. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states. standard oil was a single business that operated in a small region.

Explanation:

In the late 1800s, Standard Oil, under John D. Rockefeller, became a dominant force in the oil - refining industry in the United States. It used various business tactics to gain a near - monopoly, owning about ninety percent of all oil refineries in the US.

Answer:

Standard Oil owned ninety percent of all oil refineries in the United States.