What was the nickname given to the leaders of America's first big companies?

Robber Barons

A robber baron is one of America’s successful industrialists during the 19th century, which was also known as the Gilded Age.

america opposed the axis powers, because they knew that the united states would be targeted during the war. not only that, but germany (which was an axis power) broke the treaty of versailles, and started developing an army, and started attacking and taking over countries. furthermore, japan, which was allied with germany and italy (who both were axis powers) was attacking china, which was a great ally to the united states.