USA HISTORY

Detailed explanation-1: -Between 1880 and the turn of the century, American steel production increased from 1.25 million tons to more than 10 million tons. By 1910, America was producing more than 24 million tons, by far the greatest of any country.”

Detailed explanation-2: -The replacement of charcoal with coal in the steel-making process revolutionized the industry, and tied steelmaking to coal-mining areas. In the 1800s, making a ton of steel required a greater weight of coal than iron ore.

Detailed explanation-3: -By 1900 the US was the largest producer and also the lowest cost producer, and demand for steel seemed inexhaustible.

Detailed explanation-4: -The problem of mass-producing cheap steel was solved in 1855 by Henry Bessemer with the introduction of the Bessemer converter at his steelworks in Sheffield, England.