| A | B |
| Patent | a government grant that allows only the inventor to make, sell, and use an invention for a certain time. |
| Pollution | damage to the land, air, and water from harmful materials. |
| Corporation | a large company formed by a group of investors. |
| Monopoly | the complete control of an industry by one company or person. |
| Company town | a community set up and run by a company for its workers. |
| Labor union | a group of workers that tries to help its members. |
| Strike | to refuse to work until certain demands, such as higher wages or better working conditions, are met. |
| Ghetto | a neighborhood where people of the same race, religion, or country live. |
| Tenement | an apartment house with poor safety, sanitation, and comfort conditions. |
| Skyscraper | a very tall building with many floors, elevators, and steel frame. |
| Nativism | a feeling of citizens who are against immigrants. |
| Exclusion | keeping a person or group from coming in. |
| Migration | a movement of people within a country or area. |
| Racism | Feelings against people because of their skin color. |