Why is greece considered a secondary hearth of urbanization

When in Mesopotamia they started to divide labor and had a surplus of food to sustain a bigger population they started building cities. This was the first heart of urbanization. Later this reached Greece and they began making city-states too. They even started to colonize and many cities prospered and had a culture that is a staple in Europe to this day.

answerblank(1); khirbat al-mafjar,blank(2); ostracon.blank(3); //hisham,blank(4),; //lion; blank(5); gazelle;