| A | B |
| Railroad baron | Cornelius Vanderbilt |
| Standard Oil Company | John D. Rockefeller |
| King of Steel | Andrew Carnegie |
| First mail order stores | Montegomery Ward & Sears, Roebuck |
| New way to make strong steel at a lower cost | Bessemer process (Henry Bessemer) |
| Most powerful banker | J. Pierpont Morgan |
| A government ban on the formation of trusts and monopolies, but it was too weak to be effective | Sherman Antitrust Act |
| Invented the telegraph | Samuel B. Morse |
| Invented the telephone | Alexander Graham Bell |
| Wizard of Menlo Park (light bulb, phonograph...) | Thomas Edison |
| Kodak camera | George Eastman |
| Introduced the assembly line in the auto industry | Henry Ford |
| Tested a flying machine at Kitty Hawk | Orville and Wilbur Wright |
| Workers (skilled, women, unskilled, immigrants...) banned together to win better working conditions | Knights of Labor Union |
| Thousands of workers gathered in Haymarket Square to protest killings at a strike--ended with a bomb exploding, people killed and injured | Haymarket Riot |
| A union formed by Samuel Gompers for skilled workers | American Federation of Labor (AFL) |
| Workers walked off the job at a railroad car factory when pays were cut, but rents of company-owned housing was not reduced | Pullman Strike |
| She traveled around the US calling attention to the hard lives of children in textile mills | Mother Jones |
| The cause of death for about 150 people, finally forcing states to approve new safety laws | Triangle Fire |