Because the concept of a federal State with central government is a thing of a later date. At the time you only had city-states that either were only half-aware of each others existence of were competitors. Even if some of them had the same king, the primitive communication and administration systems of the time made it much more practical to have each city largery run itself.
They wanted to because of the crops growing.
There are seven great cities in Mesopotamia. The seven cities are: the Uruk, Akkad, Assur, Babylon, Nimrud, Nineveh, and the Persepolis.
Ziggurats were built in the major cities of Mesopotamia between 2200 and 500 BC.
The first civilization was Mesopotamia.The Atlantean one, if you consider prehistory.The Sumerian if you don't.the first civilization was Sumer and the citizens were Sumerians.This is a highly debated question, evidence points to all different directions actually.
Mesopotamia
Kings in Mesopotamia protected their cities by building a Wall around their cities.
The area where many early cities in Mesopotamia formed is called the Fertile Crescent.
The first cities in the world developed in Mesopotamia.
Cities were important in Mesopotamia civilizations, because it led to the development of urban populations. Abundance was created as a result of the cities.
The first cities in the world developed in Mesopotamia.
The four elements that made cities the center of civilization in Mesopotamia were political, religious, cultural, & economic.
Hammurabi
The initial Persian expansion was against the cities of Mesopotamia.
In 2012
Mesopotamia was called the cradle of civilizations because it was the first civilization. The first cities were made here.
lots of deserts!
what where the first cities built in mesopotamia