| A | B |
| Louisiana Purchase | $15 million dollar purchase from France, doubling size of US |
| Meriwether Lewis | Army Captain chosen to lead expedition to the West |
| William Clark | Co-leader of expedition to the West |
| Lewis & Clark Expedition | A long journey to explore the Louisiana Purchase |
| Sacagawea | Shosone Indian who helped the Lewis & Clark Expedition |
| Zebulon Pike | Explored the Southwest and imprisoned by Spanish |
| Spain & France | 2 Nations controlling New Orleans and Louisana |
| Move products to Eastern markets | Why American depended on the Mississippi River and New Orleans |
| New Orleans port closed by Spain | Why Jefferson wanted to buy New Orleans from France |
| Corps of Discovery | Members of Lewis & Clark Expedition |
| Learned about Western lands, Native Americans and collected data on plants and animals | What the Lewis & Clark Expedition accomplished |
| Find the origin of the Red River | Purpose of Pike's Expedition |
| Southwest, Spanish-held lands and Pike's Peak | Where Pike's expedition went and what they saw |