Why did thomas Jefferson send Lewis and clark into the newly acquired territory?

Thomas Jefferson sent Lewis and Clark into the newly acquired territory as part of the Louisiana Purchase to explore and map the region, establish trade relationships with Native American tribes, and assess the land's resources. The expedition aimed to find a practical route to the Pacific Ocean and further expand American knowledge of the geography and biodiversity of the continent. Additionally, Jefferson sought to promote westward expansion and American settlement in the newly acquired lands.