| A | B |
|---|
| economist | A person who studies how people make, use, and manage goods and services |
| crop duster | A small airplane used to spray chemicals on crops |
| frontier | the beginning of unexplored land |
| pioneers | The first people to settle in an area or to do something |
| prairie | An area of flat or gently rolling land that is covered mostly with tall grasses and wildflowers |
| fertile | soil that is able to produce good crops |
| livestock | Animals raised on farms, such as cattle, hogs, and chickens |
| cattle | Generally cows, but this group may also include sheep, goats, and antelopes |
| feedlots | Areas or buildings where livestock are kept while being fattened for slaughter |
| slaughter | the killing of animals for food |
| meatpacking | the preparing of meat for sale |
| cowboy | A person who herds or tends cattle |
| monument | A statue, building, or other structure built to remember a famous person or event |
| reservations | Lands set aside by the government for use by American Indian tribes to live |
| assembly line | A process in which each worker assembles one part of a product before passing it to the next worker down the line |
| transportation hub | A center for moving goods and people |
