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Social Studies
Vocabulary
| Term | Definition |
|---|---|
| manual labor | work done by hands without machines |
| mechanization | using machines to do work |
| Aaron Montgomery | Made first mail order system |
| Richard Sears and Alvah Roebuck | Made mail system bigger than Aarons |
| Cyrus Mecormick | farmer who invented the milk machines |
| tenements | a building that are divided into appartments |
| tennant | person who pays rent to use land or buildings that belong to someone else |
| urbanization | is the movement of people in rural areas moving to the city |
| suspension bridge | bridge that hangs from steel cables |