Yes. After he bought the Louisiana Territory, he sent Lewis and Clark to explore it, and see if there is a river that travels across the states. They met a trader, and Sacagawea on the way, who also helped. There were also many tribes that helped while they went out on their trek...
Thomas Jefferson
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.
Lewis
Thomas Jefferson
thomas jefferson told them to go on the expedition
Lewis and Clark led the expedition.Meriwether Lewis and William Clark
the Lewis and clark expedition.
The Lewis and Clark expedition was sent west by Thomas Jefferson to explore the recently purchased Louisiana Territory.
thomas Jefferson sent Lewis and clark on an expedition to find out what the west was really like and to find a new water route
They were paid to do it by President Thomas Jefferson
Thomas jefferson
Meriwether Lewis was in charge and William Clark came as his assistant. But the Lewis And Clark Expedition is still know as The Lewis And Clark Expedition.