Who established standard oil company, used trust to form a monopoly over the oil industry. "robber baron"

John D Rockefeller would be the answer you're looking for :)

John D. Rockefeller

Is the one who established the Standard Oil Company, used trust to form a monopoly over the oil industry. "Robber baron"
Standard Oil Co. Inc. was an American oil producing, transporting, refining, and marketing company.

dude have you found the answer? i go to connexus as well but i think the answer is prime minister

answer; (b) binge eating disorder;