What are the history and characteristics of ancient western Asian cities and polis?

The course of ancient cities and city-states in West Asia: The remarkable feature of ancient Greek history from the 8th century BC to the 4th century BC was the unbalanced development of economy, politics and culture in various regions, the coexistence of hundreds of city-states, and the emergence of many city-state alliances.

characteristics: generally speaking, a city-state includes two parts: the city and the countryside. The city mentioned here refers to the political and religious center that is easy to defend and often has walls. A large number of city-states were founded by immigrants sent by the original city-states.

Note of ancient West Asia:

The core area of ancient West Asian civilization is the two river basins, starting from Sumerian city-states. To sum up this civilization briefly, it is the process of being constantly impacted by barbarians-destroying-assimilating barbarians-and reborn again. Finally, through this reincarnation, it evolved into Persian civilization. The civilized Sumerian was destroyed by the savage Akkadians, and Akkad grew into the Akkadian kingdom on the basis of Sumerian civilization.