How Did Andrew Carnegie Gain Control Of The Steel Industry
How Did Andrew Carnegie Gain Control Of The Steel Industry. What methods did rockefeller use to gain control of the oil industry he decided to put his competitors out of business by creating monopolies and forming trusts.Rockefeller took a 2000 investment in 1859 and turned it into one of the most profitable businesses in the united states.Rockefeller became known as a robber baron but also ...