Answer:
I belive that it's B because the large empires definitely didn't all start in the same place/region
The current salary for the President of the United States is $400,000. It is believed by Congress (which sets the rate) that this is fair given the many responsibilities and duties of the President.
An urban area that controls neighboring farmland that is not under the control of an empire or another government is a "<span>D.city-state", since this has the relative control of a federal government without the responsibility of dealing with multiple "states". </span>