Andrew made the steel industry along with the economy the largest in the world. After the Civil War, the steel industry and economy grew by a lot. His expansion of the Pennsylvania Railroad made goods more easily exported. Carnegie founded the Freedom Iron Company in 1861. In 1873, he organized a steel rail company. Steel is lighter, cheaper, and stronger than iron. In 1892, Carnegie Steel co. was made. By the late 1800s Carnegie Steel was the largest manufacturer of pig iron, steel rails and coke in the world. By 1900, the steel company had made more metal than all of Great Britain. CS made transportation of goods, services, and people way easier. He created a monopoly in the steel industry by going over every level in the steel industry.
