What was the main purpose of the Lewis and Clark Expedition?

The Lewis and Clark Expedition was primarily aimed at exploring and mapping the newly acquired Louisiana Territory following the Louisiana Purchase in 1803. Commissioned by President Thomas Jefferson, the expedition sought to gain a better understanding of the geography, natural resources, and potential routes for commerce in this vast territory. Led by Meriwether Lewis and William Clark, the journey also aimed to document the flora, fauna, and indigenous peoples encountered along the way. This information was vital for future American expansion and development.

While establishing trade relations with Native Americans was indeed an aspect of the expedition, it was not the main purpose. The focus on exploration and mapping provided the foundational knowledge necessary for the United States' westward expansion, making it the central aim of the mission.