What was the main purpose of the lewis and clark route?

Their mission was to explore the unknown territory, establish trade with the Natives and affirm the sovereignty of the United States in the region.

pls be more elaborate

1(a) traditional methods of production are upheld.

2(d) to convert private property to state-owned property

3b) feudalism

5(a) question

6(c) to preserve the past

7(d) the opportunity to make a profit

8(b) get paid by the government

could not do 4 sorry. . hope this