US History › Section F · Westward expansion and the cotton South › Topic F.1
The Louisiana Purchase and Lewis and Clark
In 1803 the United States roughly doubled its claimed territory with one treaty, then sent a small military party to find out what it had bought. The purchase, the expedition and the border deals that followed set the pattern for the next half-century of expansion.
In this topic
- A deal shaped by events far away
- Worked example: why did Napoleon sell?
- Who owned Louisiana?
- Jefferson's instructions
- The journey west
- Native nations and the expedition
- York and the limits of discovery
- Florida and the Adams-Onís Treaty
- Worked example: reading the expedition journals
- Filibusters and Texas
- Common mistakes to avoid
- Key takeaways
This topic is part of Wuanberri Pro. Checking your access…