if I remember correctly it's the Sumerians
A plebeian is known as a commoner
Im assuming that you are asking about the Constitution. Article 2 section 4 of the Constitution literally says, “The President, Vice President and all civil officers of the United States, shall be removed from office on impeachment for, and conviction of, treason, bribery, or other high crimes and misdemeanors.”
I believe the answer is A