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vonsmokienstien
carnegie made his fortune in the steel industry, controlling the most extensice intergrated iron and steel operations ever owened by an individual in the united states. one of his two great innovations was in the cheap and efficient mass production of steel by adopting and adapting the bessemer process for steel making hope this helps
perez500areli
Andrew Carnegie, a Scot of the penny-pinching Braveheart variety, went a long way in creating a monopoly in the steel industry when J.P. Morgan bought his steel company and melded it into U.S. Steel.

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