When was the end of the neolithic age what time period

6000 to 2000 bce these are random words i cant submit bc its too short

A king is unlikely part of democracy- the concept of the king is more typically connected to an absolute rule and dictatorship.
Yes, there are some instances in which a king can be part of a democracy -this is them called constitutional monarchy, but this is not the case in the Middle East - so the answer is "king"