It is true that due process is the legal assurance that the government or the courts will exhaust all of a citizen's legal rights to assure just and fair legal proceedings.
In the United State, the term due process means that the law will be applied fairly to all United States citizens, no matter what. That is why the judicial branch was established with its many regulations and procedures. To guarantee justice for all the American people.
They were big headed because they thought they were the center of the earth...like everything was made around them when really they were just cut off from the rest of the earth