The supreme court extends it's powers by their decisions which sets a precedents know as a case law. This law is made when lower courts make decisions
Answer:
sikringbp and 36 others learned from this answer Lewis and Clark had three goals for their expedition: explore unknown territories, promote the sovereignty of the United States and its government, and establish trade with Native Americans. Lewis, Clark, and their men were successful in a large number of their dealings with Natives.
Explanation:
For america it would be Britain, France and italy
for soviet union Hungary, albania, and Czechoslovakia