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Answer: The Sumer
Explanation: They developed the first writing system, and they recorded trade/commerce, important events, etc with their writing system
Answer:
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. Sumer contained several decentralized city-states—Eridu, Nippur, Lagash, Uruk, Kish and Ur
Explanation: