Please Help!! Choose either John D. Rockefeller or Andrew Carnegie & explain their role with the rise of trusts and monopolies. Write 4-5 sentences

In 1870, Rockefeller created Standard Oil. In 1882, Rockefeller combined his many companies into the Standard Oil Trust. The trust enabled Standard Oil to monopolize all aspects of the oil industry from production to marketing. With a monopoly or trust, the competition has been eliminated in the market.

theodore roosevelt challenged william to a duel, whoever won, got their policy sent to congress. it ended up in a stalemate, and both men were injured and sent to the hospital.

the answer is c my brotha. c.   formed an alliance with the soviet union.