What industry did Andrew Carnegie lead? How did his company become so powerful?

Scottish-American industrialist, businessman who led the enormous expansion of the American steel industry. He was also one of the most important philanthropists of his era.Andrew Carnegie is a captain of industry because he started off as a poor Scottish boy but he was able to build a successful industry, he impacted the U.S. with his steel to transform cities and he donated most of his wealth to others.He incorporated the Bessemer process in his steel manufacturing factories, He standardized workplace procedures to achieve greater efficiency; He utilized vertical integration to minimize costs and maximize profits; All of these.

Explanation:

the name of the theory is landmass theory.