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Social studies
| Term | Definition |
|---|---|
| Petroleum | oily,flammable liquid used in making kerosene, |
| patent | document giving inventors the right to make and sell a product |
| business cycle | a pattern of good and bad days |
| trust | a legal body to hold stock in many companies |
| Bessemer steel process | technique that produced steel more cheaply |
| gilded age | time of tremendous wealth |
| centennial exposition | the celebration of Americas 100th birthady |
| Haymarket affair | a conflict between police and union members in Chicago |
| standard time | system that divided the country into 4 different time zones |
| monopoly | a company that has stole control of the industry |
| Thomas Edison | he invented the practical light bulb |
| Alexander g. Bell | developed the first telaphone |
| Andrew Carnegie | leader of steel industry |
| John d. Rockfeller | leader of oil industry |
| Samuel Gompers | U.S. labor leader |
| robber baron | became wealthy through dishonest ways |
| knights of labor | allowed woman And African-Americans as members |
| philanthropist | a person who donates money to charity |
| AFL | used negotiated ways to solve problems |
| sweatshop | workers experience hard labor and little pay |
| transcontinental railroad | a railroad that crodses the entire continent |