| A | B |
| Bessemer Process | A cheap and efficient way of making steel used by Andrew Carnegie. |
| Transcontinental Railroad | A railroad line that linked the Atlantic and Pacific coasts of the U.S. |
| Monopoly | A company that bought out all of its competition or has complete control over an industry. |
| Trust | A legal arrangement in which companies’ stock is overseen by a group of trustees. |
| Robber Baron | A negative term used to describe industrialists who gained profits while employees suffered. |
| Captain of Industry | A positive term used to describe in industrialists who often participated in philanthropy and employed numerous workers. |
| Social Darwinism | A belief that the “fittest” humans gain wealth while the unfit are relegated to poverty. |
| Sherman Anti-Trust Act | A law that made it illegal to form a trust because it interfered with trade. |
| Interstate Commerce Act | A law that allowed the federal government to supervise railroad activities. |
| Industrial Workers of the World | A group of radical unionists and socialists in Chicago who organized. (AKA: Wobblies) |