USA HISTORY

Detailed explanation-1: -Andrew Carnegie was an industrialist and philanthropist. Carnegie pioneered the expansion of the American steel industry in the late 19th century and became one of the wealthiest Americans in history.

Detailed explanation-2: -By age 30, Carnegie had amassed business interests in iron works, steamers on the Great Lakes, railroads, and oil wells. He was subsequently involved in steel production, and built the Carnegie Steel Corporation into the largest steel manufacturing company in the world.

Detailed explanation-3: -In the early 1870s, Carnegie co-founded his first steel company, near Pittsburgh. Over the next few decades, he created a steel empire, maximizing profits and minimizing inefficiencies through ownership of factories, raw materials and transportation infrastructure involved in steel making.

Detailed explanation-4: -Carnegie Steel Company was a steel-producing company primarily created by Andrew Carnegie and several close associates to manage businesses at steel mills in the Pittsburgh, Pennsylvania area in the late 19th century.

Detailed explanation-5: -Carnegie used the funds from his investments to found the Carnegie Steel Company in 1892. Thanks to revolutionary production methods (and the fact that he owned everything he needed throughout each step of the production process, Carnegie was able to dominate the industry and acquire his massive wealth.