| A | B |
|---|
| Thomas Edison | inventor of electric power |
| Phonograph | Edison's favorite invention |
| Alexander Graham Bell | Inventor of the telephone |
| Promontory Point | Location where the transcontinental railroad was complete |
| Patent | License to make and sell an invention |
| Monopoly | Total control of an area of industry |
| Carnegy | Big industrial leader who control the steel industry |
| Rockefeller | Industrialist who controlled the American oil industry |
