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Henry Bessemer developed a process to make steel stronger and more affordable. can make more steel
Andrew Carnegie 1870 - starts to make steel in Pittsburgh, PA. Goal is to make steel as affordable as possible. Did this by controlling all steps in the steel making process. By 1900, US provided more steel than any other country - monopoly. Became one of the riches me
John D. Rockefeller built his first oil refinery in Cleveland, OH in 1863. By 1890 his standard oil co. controlled 90% of the oil industry -monopoly. one of the richest men in the world
George Westinghouse Westinghouse Electric co. - 1896. developed AC (Alternating current) for use in homes and business. In "war of the currents" with Thomas Edison's company who used DC (direct current). Westinghouse had the better product so got more consumers and won.
Created by: 00022723