The citizens. With their votes they can remove people from office. As jurors,they can nullify unjust laws by refusing to convict when the defendant violates an unjust law
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!
The Soviet Union no longer provided aid and weapons to African countries.
