| A | B |
| J.P. Morgan | A successful banker who owned several companies |
| John Rockefelller | The rich and shrewd owner of Standard Oil |
| Andrew Carnegie | The king of steel who donated millions to charities |
| Bessemer Process | A way to make steel cheaply and efficiently |
| Corporation | a business owned by investors |
| stock | ownership shares in business |
| dividends | profits from a company paid to shareholders |
| capital | money used for business purposes |
| pool | Railroad companies dividing up business between themselves |
| consolidate | Companies buying small businesses and combining them |
| Cornelius Vanderbilt | The ruthless railroad king |
| railroad gauge | the width of the tracks, at first, not all trains fit on all tracks |
| network | a system of connected RR lines |
| Industry | Its growth made the United States wealthy |
| Railroads | the way to move goods/people across the U.S. |
| coal | the fuel for trains |
| Sears/Montegomery Ward | Allowed people to shop by catalog |
| Natural resources | coal/forests/iron ore/gold/silver/copper |
| monopoly | a company that controls all businesses of an industry |
| Free Enterprise System | businesses decide on what to build and prices |
| Sherman Antitrust Act 1890 | outlawed monopolies |
| Samuel Morse | Invented the telegraph |
| Alexander Bell | Inventor of the telephone, after spilling acid on himself |
| Thomas Edison | inventor of the light bulb and power plants |
| George Eastman | Inventor of the lightweight camera |
| Henry Ford | Made cars cheaply and efficiently |
| Orville and Wilbur Wright | Inventors of flight, in Kitty Hawk, NC |
| Knights of Labor | a labor union who secretly met |
| American Federation of Labor (AFL) | A labor union for skilled workers only |
| strike | a group of people refusing to go to work |
| injunction | a court order to do or not do something |
| Triangle Fire | A fire in New York resulting in safer working conditions |