USA HISTORY

Detailed explanation-1: -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-2: -However, he decided to invest more time in the steel industry in 1875 and built his own steel plant in Braddock, Pennsylvania. Known as the Edgar Thomson Works, Carnegie’s steel mill adopted the Bessemer steel-making process and any other technological innovations that helped factory operations run more efficiently.

Detailed explanation-3: -A generous philanthropist, he slashed the wages of the workers who made him rich. One of the captains of industry of 19th century America, Andrew Carnegie helped build the formidable American steel industry, a process that turned a poor young man into the richest man in the world.

Detailed explanation-4: -1875–1900: Steel empire Carnegie made his fortune in the steel industry, controlling the most extensive integrated iron and steel operations ever owned by an individual in the United States.

Detailed explanation-5: -Andrew Carnegie sold his steel company, Carnegie Steel, to J.P. Morgan for $480 million in 1901. According to the Carnegie Corporation, Carnegie’s personal peak wealth was about $380 million, or around $309 billion by today’s standard.