| A | B |
| William Clark | artist and map maker who help to explore the Lousiana Purchase |
| Meriweather Lewis | a young officer who lead the exploration of the Lousina Purchase |
| Lewis and Clark expedition | provided info about previously unknown areas and proved that an all water route across the States did not exist |
| Louisiana Purchase | Cost the US $15 million but double the US size |
| Sacagawea | Native Exploration who helped Lewis and Clark |
| Zebulon Pike | 1806 left St Louis and explored the Arkansas River as far as the Rocky Mountains |
| Samuel Slater | His secrets of texile industry helped build waterpowered texile mill |
| factory system | workers and machines came together under one roof |
| Rober Fulton | Steamboat inventor |
| Samuel F.B.Morse | telegraph |
| Industrial Revolution | Machines replace hand tools, manufactoring replaces farming |
| Lowell | young girls lived in company owned boarding houses |