Industrial leaders such as Carnegie, Rockefeller, JP Morgan, and James J. Hill revolutionized business and industry from 1870-1900. Many historians categorize their actions as falling into one of two categories: Captains of Industry or Robber Barons (who used working class to make their fortunes with no regard to their safety). Citing three specific pieces of historical evidence, write an essay that reinforces your view point on which term best applies to these early business magnates. *