Answer: C. They have acted as an obstacle between the eastern and western sections of the state.
Explanation: I did the k12 test so that's how I know! :) ;)
The answer is: Imperialism.
Article III of the Constitution establishes the federal judiciary. Article III, Section I states that "The judicial Power of the United States, shall be vested in one supreme Court, and in such inferior Courts as the Congress may from time to time ordain and establish."
https://www.uscourts.gov/about-federal-courts/educational-resources/about-educational-outreach/activity-resources/about
The Treaty Of Versailles And Its Effect On The World War I. The Treaty of Versailles The Treaty of Versailles was a treaty signed between Germany and the Allies which consisted of Britain, France and America. The idea of the Treaty was to end World War one and Germany would be too weak to start another war.