The leaders of the Industrial Revolution were the producers of the railroads, steel, and petroleum, as they created a corporate society. The federal government supported the railroad development and by the end of 1915 there were more than 250,000 tracks. The railroad demand steel to complete its project which led to a boom in the steel industry. Sir Henry Bessemer invented the way to convert large quantities of iron into steel using hot hair, but Andrew Carnegie monopolized the industry. He used vertical integration to dominate the making of steel. Petroleum was used as a machine lubricant and a source of illumination. However, in 1855, Professor Benjamin Silliman discovered the use of kerosene (a byproduct of crude oil – unrefined petroleum) was an even more powerful illuminant. The led entrepreneurs to rush to find greater supplies of crude oil, and John D. Rockefeller eventually dominated the oil industry. …show more content…
Three decades after 1860, the number of patents grew to 144,000. The most notable is the invention of the light bulb, the motion picture camera, microphone, phonograph, the elevator, the typewriter, and the