WORLD CIVILIZATION

Detailed explanation-1: -The earliest writing we know of dates back to around 3000 B.C.E. and was probably invented by the Sumerians, living in major cities with centralized economies in what is now southern Iraq.

Detailed explanation-2: -The wheel, plow, and writing (a system that 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.

Detailed explanation-3: -Cuneiform is a system of writing first developed by the ancient Sumerians of Mesopotamia c. 3500 BCE. It is considered the most significant among the many cultural contributions of the Sumerians and the greatest among those of the Sumerian city of Uruk, which advanced the writing of cuneiform c.

Detailed explanation-4: -One of the great contributions the Sumerians made to civilization was their many inventions. They invented the first form of writing, a number system, the first wheeled vehicles, sun-dried bricks, and irrigation for farming. All of these things were important for the development of human civilization.