Question

who first started the system of trade and writing in Mesopotamia​

Answer 1

$\huge\mathrm\pink{Answer:}$

Ancient Mesopotamia

At its peak, it had a population of some 50,000 citizens. Sumerians are also responsible for the earliest form of written language, cuneiform, with which they kept detailed clerical records. By 3000 B.C., Mesopotamia was firmly under the control of the Sumerian people.

_________________________

Answer 2

At its peak, it had a population of some 50,000 citizens. Sumerians are also responsible for the earliest form of written language, cuneiform, with which they kept detailed clerical records. By 3000 B.C., Mesopotamia was firmly under the control of the Sumerian people ..............