What percent of the nation's oil business did standard oil company control?

The correct answer is C) 90.

Ninety percent of the nation's oil business is controlled by the Standard Oil Company.

John D. Rockefeller (1839-1837) was the was the owner od the Standard Oil Company. He built the oil empire in America becoming in a monopoly that controlled 90% of pipelines and refineries by 1880. His oil empire was the target of many critics because he was accused of controlling the industry and eliminating the competition. The US Supreme Court decided in 1911 that the Standard Oil Company had violated anti-trust laws and ordered to dissolve the monopoly.

The other options of the question were A) 50, B) 75, and D) 100.

- "made the south's economy grow rapidly and a small effect that a lot of people don't know is that it made the more demand of slaves and cotton products. and also new states formed due to plantations growing in size."

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answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.