How did andrew carnegie, and other entrepreneurs affect the country? (15 points < 3, explain well; for united states history)

Andrew Carnegie and others such as John D. Rockefeller created monopolies on the industries in the area. for example Carnegie steel was a company which had built up millions due to overulling the steel that was used for railroads, nails, etc for most of the country.

answer: king philip's military battles and diplomatic tactics resulted in the expansion of his empire and domination over all of greece.

explanation: