Thomas Jefferson told Lewis to look for threats to US sovereignty and send information in ciphered letters. Lewis lived in the White House for two years planning the expedition ππΊοΈ
Jefferson sent Lewis to find threats to US sovereignty

Site mentioned
π Knife River Indian Villages National Historic SiteπΊοΈ More sites in United Statesπ Show on the globe
Key facts
- Thomas Jefferson sent Merryweather Lewis with specific instructions
- Jefferson told Lewis to look for anything threatening US sovereignty
- Lewis was instructed to send information in ciphered letters
- Lewis lived in the White House for two years planning the expedition
- The Mandan people were described as fair-skinned, blue-eyed, blonde-haired
- Lewis's journal mentions planning the trip 10 years earlier
- Key figures including William Henry Harrison were at Battle of Fallen Timbers in 1794
Sources
independent.academia.edu
Linked in video description
institutefornaturalphilosophy.org
Linked in video description
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