According to the article, which of the following characteristics fit standard oil? check all that apply:
a. it practiced ruthless business techniques.
b. it its competitors stay in business.
c. it dominated the oil market.
d. it controlled the transportation of oil.
e. it successfully stopped journalists from writing about it.

The correct answers are as followed:

A) It practiced ruthless business techniques- Standard Oil, run by John D. Rockefeller, was well known for using strategies in order to buy out or eliminate competitors within the same market.

C) It dominated the oil market- At one point, Standard Oil was responsible for producing almost 90% of the oil used within the United States.

D)It controlled the transportation of oil- John D Rockefeller would buy different railroad companies so that Standard Oil had complete control on how oil would be moved across the United States.