| A | B |
|---|
| Samuel Morse | invented the telegraph |
| Pony Express | mail system in 1860 |
| telegraph | uses electricity to send messages |
| transcontinental railroad | railroad that connected the East and West |
| Central Pacific | used Chinese immigrant workers |
| Union Pacific | used Irish immigrant workers |
| Promontory Point | placed where railroads connected |
| Great Plains | vast region of dry grassland |
| pioneer | new settlers on the Great Plains |
| Homestead Act | law that offered free land to settlers |
| homesteaders | settlers who claimed land |
| sodbuster | Great Plains farmer |
| exodusters | African American pioneers |
| technology | new ideas for tools that improve life |
| prairie life hardships | harsh weather, fires, grasshoppers |
