Why did President Jefferson give these instructions to Captain Lewis?

While its primary mission was to explore waterways for a route to the Pacific Ocean, commerce with inhabitants of the region was a major goal. Jefferson specified the kinds of information Lewis should obtain about any American Indian nations he might encounter.

Explanation:

While its primary mission was to explore waterways for a route to the Pacific Ocean, commerce with inhabitants of the region was a major goal. Jefferson specified the kinds of information Lewis should obtain about any American Indian nations he might encounter.

Explanation:

the answer is a. 250 percent.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.