The United States is a very different nation today than it was when the Constitution was written in 1787. In an age when technology allows us to be in constant contact, why is it still necessary for people in the U. S. to have state government and national government?

Article Three of the United States Constitution establishes the judicial branch of the federal government ... Article Three empowers the courts to handle cases or controversies arising under federal law, as well as other enumerated areas. Article Three also defines treason.