| A | B |
| Alexander Graham Bell | invented the telephone |
| Thomas A. Edison | invented the light bulb, an electric generation system and the movie camera |
| Henry Bessemer | developed an efficient method of making high quality steel |
| Credit Mobilier | front company used to steal money from railroads |
| JP Morgan | banker who created US Steel as a holding company |
| Munn v. Illinois | gave states the right to regulate railroads |
| Interstate Commerce Act | gave the Federal government the sole right to regulate railroads |
| trust | corporation made up of companies seeking to fix prices |
| Mary Harris Jones | "Mother" Jones- union organizer |
| monopoly | a market in which one company contols prices, wages, production and quality |
| Social Darwinism | theory that justified the efforts of robber barons and discouraged government interference in business |
| Andrew Carnegie | robber baron who made his money in steel |
| Eugene V. Debs | socialist organizer of the Pullman Strike who also ran for President in 1912 |
| Sherman Antitrust Act | law which made trusts illegal |
| American Federation of Labor | focused on collective bargaining as a major tactic, a skilled workers union |
| JP Morgan | robber baron who made money in banking and investing |
| John D. Rockefeller | founder of Standard Oil, robber baron, the first billionaire |
| George Pullman | built a town in Illinois for his rail car factory |