| A | B |
| Bessemer Process | A new, more economical way to make steel |
| Alexander Graham Bell | Inventor of the telephone |
| Thomas Edison | Produced the first effective light bulb |
| Samuel Gompers | Founded the AFL, a union of skilled workers |
| Andrew Carnegie | Controlled all aspects of the steel industry; a philanthropist who gave moey to libraries |
| Philanthropy | Good deeds |
| John D. Rockefeller | Controlled the refining of oil; a philanthropist; forced to split up his company |
| Interstate Commerce Act | Federal law prohibiting unfair practices by railroads |
| Laissez-faire | A theory that government should not interfere in free market and businesses |
| Unions | Workers band together collectively to demand better working conditions |
| Strikes | To temporarily stop working in order to demand better working conditions |
| Entrepreneurs | People who start businesses in order to make a profit |
| Gilded Age | Expression coined by Mark Twian to describe the lavish lifestyles of the rich during this era |
| Robber Barons | Description of entrepreneurs who treated their workers poorly and used unfair business practices |
| Urbanization | Movement from rural areas to the cities; lead to overcrowding in tenements, social tensions |