| A | B |
| patent | a government grant that allows only the inventor to make, use, and sell an invention for a certain time |
| strike | to fefuse to work until certain demands, such as higher wages or better working conditions,ar met |
| Bessemer process | a process used to make iron into steel cheaply and easily |
| 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 |
| pollution | damage to the land,air, and water from harmful materials |