<span>The Structure of the Federal Courts. In the federal courtsystem the Supreme Court has final appellate jurisdiction over all courts in the United States. Notice that, according to the Constitution, Congress creates courts.
Isolationist views were strong in the USA after the end of WWI. The Senate refused to ratify the Treaty of Versailles and the adhesion treaty of the League of Nations. Politicians and the public opinion were afraid of any agreements that could mean commitments in foreign conflicts.
