The oldest civilization on our planet comes from the 4th millennium BC. in the southern part of Iraq today, as an aggregate of some city states under the Sumerian common name.
In the northern part of Mesopotamia (the area between the Tigris and Euphrates rivers) in the last quarter of the IV millennium BC. other associations of city-states are formed, behind it the name Akkad is set.
In 3240 BC. Akkad and Sumer have united into one great country - the Sumerians, whose economic development astonishes the imagination with its perfection. So Sumer without blood absorbs Akkad, and his civilization is improved qualitatively and quantitatively.
How can you not admire the human genius, when six thousand years ago, the Sumerians no longer roamed the wilderness for food, and engaged in farming, farming and crafts.
The development of civilization has been attributed not only to the cultivation of wheat, but settling uninhabited areas, the transition from hunting and gathering to sedentary lifestyles, the development of agricultural culture, the ability to build irrigation canals, houses, temples and palaces of rulers, as well as organizations living and working together equally in the city on the basis of predetermined habits and rules, and not spontaneously.