to explore the Mississippi river and a route to the Pacific ocean
Lewis and Clark were sent by Thomas Jefferson to explore the west.
a letter
Thomas Jefferson
Thomas Jefferson
Thomas Jefferson
Well it was Thomas Jefferson who originally sent them on their journey to the coast, so I would imagine that he would have wanted to be kept updated on their progress and what they saw as they went about their journey.
Lewis and Clark led the expedition.Meriwether Lewis and William Clark
Thomas Jefferson
The Lewis and Clark expedition was sent west by Thomas Jefferson to explore the recently purchased Louisiana Territory.
He sent Lewis and Clark to the Louisiana
America. Thomas Jefferson sent them to explore the Louisiana Purchase.
134 species of animal were discovered on the expedition, and most of these (Or specimens of such) were sent to Thomas Jefferson.