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        Hunter Gather Peoples in Mesopotamia become more sedentary and begin to congregate in areas that would later become city states. - 
  
  
        Proto-Writing developed in Mesopotamia in the form of clay shapes that held meaning like a written shape. - 
  
  
        Agriculturist appear resulting in villages with more stratified and higher populations. Early domestication of animals present. Pottery is developed and stylized. - 
  
  
        Trade between lower and upper Mesopotamia increase. Societal complexity and stratification increases with the introduction of temples. Religious class represents a method of dividing labor for irrigation and other works and controlling surplus. - 
  
  
        The first cities fully form in southern Mesopotamia. Earliest forms of writing invented. The first god-kings rule, with ownership of land and surplus. - 
  
  
        Urak becomes a city with a population around 10,000 when two smaller Ubaid settlements merge. God kings rule cities. - 
  
  
        Proto-cuneiform is a combination of pictographs and ideographs, ideographs being an indication of the direction writing will go as it becomes less literal and more complex. - 
  
  
        Cities would have a god-king, priest and warrior class and walls to defend the surplus as well as a Ziggurat for ritual purpose(justify ruling class). There are dozens of city-states in lower Mesopotamia. Society is highly organized and labor is specialized. Cuneiform invented - 
  
  
        Akkad state is formed from most of the southern city states of Mesopotamia, when it is united by king Sargon - 
  
  
        List created to justify and strengthen the ruling class of god kings and priests by drawing a detailed lineage back hundreds of years as great works often do.