How did captain's of industry / robber bolderms effect life in the us

They bought complex social and economic changes that led to riots, strikes and the emergence of the unions.

They showed no concern for their workers, keeping their wages at a minimum, and reduced them as they felt fit. Many of them suffered poor standards of living while the Robber Barons lived luxurious lives.

Because of them today money goes around the world so that people could either become rich or poor