| A | B |
| The market revolution | The major change in the U.S. economy produced by people's beeginning to buy and sell goods rather than make them for themselves. |
| Free enterprise | The economic system in which private businesses and individuals control the means of production. |
| Entrepreneurs | A person who uses his or her own money to create a new business. |
| Samuel F.B. Morse | A New England artist and scientist who invented the telegraph in 1837. |
| Lowell textile mills | 19th century textile mills in Lowell, Massachusetts, that mainly employed young women. |
| Strike | Work stoppage intended to force an employer to respond to demands. |
| Immigration | Coming and settling in a country of which one is not a native. |
| Great Potato Famine | In the mid-1800s, a blight on potatoes in Ireland that resulted in many deaths and increased immigration to America. |
| National Trades' Union | The first national association of trade unions, formed in 1834. |
| Commonwealth v. Hunt | An 1842 court case in which the Supreme Court upheld workers' right to strike. |