The ancient civilization of Sumeria, lasted from about 3500 B.C., to about 2000 B.C.
The only person to completely unify Sumeria was Sargon the Great from Akkad (northern mesopotamia). The only person to completely unify Sumeria was Sargon the Great from Akkad (northern mesopotamia).
Sumeria
Agriculture
Mesopotamia / Sumeria
Sumeria
yes
Sumeria, obviously.
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sumeria
All of the above
Gilgamesh
Yes, they were the first country to have laws.