beacuse they built walls and they thought it was complet!
Sumeria didn't have any single capital. It had many different city-states, some of which had varying degrees of dominance over the others at various periods.
Ensi
Sumeria
levees
They Built a wall around thier city-state
food shortagesirrgation systemsuncontrolable water sourceother city/tribe/neighboring city attacking
Sankarananda has written: 'Hindu states of Sumeria' -- subject(s): Hindus
colony
From Mesopotamia to the most famous rivers Tigris and Euphrates
New York
There was no Greek empire. Greece was hundreds of independent city-states.
farming villages, sumerian city states akkad is built akkadian empire forms