Since there was nothing for them to stay in they put up tents, and built forts to wait out the winter.
To buy accoutrements for the expedition
Jefferson
a letter
thomas Jefferson
Thomas Jefferson
the Lewis and clark expedition.
Thomas Jefferson paid.
Thomas Jefferson
Jefferson conceived and ordered the Lewis and Clark expedition to explore the Louisiana Purchase. Additionally, Jefferson wished to validate US territorial claims, as purchased from France, over prospective claims by Spain.
thomas Jefferson sent them a letter asking them to go on an expedition to the pacific ocean
Zebulon Pike was sent on his expedition by President Thomas Jefferson, who was interested in exploring and mapping the newly acquired western territories of the United States after the Louisiana Purchase.
Thomas Jefferson was president at the time of the Lewis and Clark Expedition. infact, he sent Lewis out to explore and Lewis chose Clark to come along. So, Thomas Jefferson had a huge influence on the expedition.