By the late 4th millennium BC, Sumer was divided into about a dozen independent city-states, whose limits were defined by canals and boundary stones. Each was centered on a temple dedicated to the particular patron god or goddess of the city and ruled over by a priestly governor (ensi) or by a king (lugal) who was intimately tied to the city's religious rites.
The five "first" cities said to have exercised pre-dynastic kingship:
Other principal cities:
(1location uncertain)
(2an outlying city in northern Mesopotamia)
Minor cities (from south to north):
(2an outlying city in northern Mesopotamia)
Apart from Mari, which lies full 330 km northwest of Agade, but which is credited in the king list as having "exercised kingship" in the Early Dynastic II period, and Nagar, an outpost, these cities are all in the Euphrates-Tigris alluvial plain, south of Baghdad in what are now the BÄbil, Diyala, WÄsit, Dhi Qar, Basra, Al-MuthannÄ and Al-QÄdisiyyah governorates of Iraq.
Ensi
The city of Ur was the ancient Sumerian's religious city.
food shortagesirrgation systemsuncontrolable water sourceother city/tribe/neighboring city attacking
the religious city is Ur
the religious city is Ur
The ancient civilization of Sumeria, lasted from about 3500 B.C., to about 2000 B.C.
the religious city is Ur
one of the two lettered religious Sumerian citys
I believe it's ur
I dont know go to google!
Sumeria
Plows were first used in ancient times in Sumeria. They have been used continuously and improved since that time. The first evidence in Sumeria was about 2500 BC.