Question

what is the greatest achievement of the Sumerian
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Answer 1

Answer:

The wheel, plow, and writing (a system which we call cuneiform) are examples of their achievements. The farmers in Sumer created levees to hold back the floods from their fields and cut canals to channel river water to the fields. The use of levees and canals is called irrigation, another Sumerian invention.

Explanation:

Answer 2

One of the greatest Sumerian achievements was the creation of the earliest highly developed written language, known as cuneiform. They did this for to help themself record information about Gods so they can exchange each other.