Answer:
The executive, The legislature and the judiciary
The purpose of the Lewis and Clark expedition in 1804-1806 was the first American expedition to explore the west, and map the newly acquired territory. They also wanted to find a practical route, and establish themselves. Studying the wildlife - plants, animals, etc - and establish trade with local indians was also an objective of the expedition!
Kind of...I guess it's related to how the Spanish went to the America's to colonize them.
Hope this helps!
That's an amendment, Hope this helps, have a great day
