C. The Treaty of Versallies. This treaty was the most important of the peace treaties that brought an end to World War One. It punished Germany harshly for it's part in the war.
We still are on rocky relations with Russia today, which is most likely the result of the Cold War and the fall of the Soviet Union.
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!
