What are two reasons why the us government sent expeditions into the louisiana territory in the 1800s?

The US government sent expeditions into the Louisiana Territory in the 1800s to examine the land after purchasing it from the French. Napoleon Bonaparte decided to sell the land to America so that he could gain financial help for the French troops in Europe to expand its territories. Thomas Jefferson sends two men to explore the lands of Louisiana Territories, came to be known as Lewis & Clark Expeditions. The reason for this expedition was to establish trade with the Native Indians and to find a waterway for America from Mississippi to the Pacific Ocean.                  

To learn more about the geography and to find a waterway for America from Mississippi to the Pacific Ocean.

Explanation:

The Lewis and Clark Expeditions were expeditions that began in 1804 after the Louisiana Purchase. Until that moment, Americans did not know the territory they bought, because of that it was needed to explore.

The expedition lasted two years and at the end of it, they were able to have a geographic, ecological and social report about the new territory.