Neolitihic revolution refers to the revolution that transform mankind's lifestyle from hunting/gathering into agricultural.
In an agricultural society, each member need to coordinate with one another in order to determine land's ownership and trading regulations.
Because of this, a mediator such as government is needed in order to make everything fair.
If you are talking about ancient Greece they didn't really have states it was more of little countries in a country but i guess Athens or Sparta if you're talking about now well then buddy i don't know. SORRY i hoped some what. Wait i think Crete is one but i don't know