The document summarizes the rise and development of cities in Mesopotamia from 3500 BC to 600 BC. It describes the evolution from compact protected cities with temples and ziggurats as prominent structures during the Protoliterate Period, to the establishment of kingship and construction of monumental palaces during the Early Dynastic Period. In the Later Sumerian Period, empires rose with competing city-states and large ziggurats were built. Finally, during the Assyrian Period, the northern region flourished with planned cities dominated by royal palaces rather than temples.