Why was the lewis and clark expedition launched

Explanation:

The Lewis And Clark Expedition Begins

Their mission was to explore the unknown territory, establish trade with the Natives and affirm the sovereignty of the United States in the region. One of their goals was to find a waterway from the US to the Pacific Ocean.

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.