The Ubaid period of Mesopotamia began early 5000 B.C. to 3500 B.C. in the southern Mesopotamia. Sumerians developed the first complex societies of the Mesopotamia. The level of complexity was complicated to discuss because it stands in the transition from chiefdom and the state. We are still categorized the societies in the early Ubaid period in the size of chiefdom. The Ubaid was formed the social complexity with the elites being the top of the societies. The elites was really important role of Ubaid period. We know that the civilization of Ubaid …show more content…
The Olmec produced offerings and sacred objects to sacrifice to the gods and ancestors with the belief that they were half way of the world we are living and the world of gods. The rulers would be the special ideological/ religious status of the societies. Unlike the Ubaid period, the elites would represent the centralized power that controlled the management of economic system through trading and irrigation system and the exotic interaction, not much about religion and