Division of labour contributed immensely to the growth of Mesopotamian civilization. As there was surplus food available to the people of Mesopotamia, so there was no need for all the people to get involved in farmin or in hunting. So there was enough time for people to concentrate on other jobs that would make this civilization a great civilization. The people in the government had enough time to think and concentrate on large projects for taking this civilization a step forward. People would also concentrate on creating new things out of metal and muds that would help in the progress of the civilization.
My gut instinct says the southern colonies had the least amount of social equality, you were either a wealthy land owner who had privilage and rights or you wroked the land. There was no inbetween
