Answer:
So, our federalist form of government has several advantages, such as protecting us from tyranny, dispersing power, increasing citizen participation, and increasing effectiveness, and disadvantages, such as supposedly protecting slavery and segregation, increasing inequalities between states,
Explanation:
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!