Who was Andrew Carnegie's biggest rival?

Answer 1

J. D Rockefeller Stan early age as well as frock at an older age

Answer 2

Andrew Carnegie's biggest rival was John D. Rockefeller, who was a prominent American businessman and one of the wealthiest individuals in history. Both Carnegie and Rockefeller were tycoons in the late 19th and early 20th centuries, with Carnegie dominating the steel industry and Rockefeller controlling the oil industry.

Answer 3

It was mainly John D. Rockefeller because Carnegie was running out of things to transfer on his railroads. John had those things. He had oil which lit almost every home during that time.