What was a key outcome of the Lewis and Clark expedition?

it established permanent settlements in Oregon

it increased knowledge about the geography & resources in the West

it led to the discovery of golden California

it resulted in peace treaties with Native Americans

1 answer

A key outcome of the Lewis and Clark expedition was that it increased knowledge about the geography & resources in the West. The expedition provided valuable information about the lands west of the Mississippi River, including details about the terrain, rivers, and potential natural resources, which would be crucial for future exploration and settlement.