Britain and Russia managed to peacefully share control of Persia by

The correct answer is "creating the largest, most powerful companies the world had seen".

Andrew Carnegie is an American businessman who led the expansion of the steel industry in the United States. throughout the 19th century. His company, named Pittsburgh Carnegie Steel Corporation, would eventually be sold to J.P. Morgan in 1901 for more than $ 300 million. This transaction made him the richest man in the United States for a couple of years.