Describe how sumer met the three criteria of a civilization. use specific examples.

History begins at Sumer. It was probably the oldest civilization in the world, beginning in 3500 B.C. Writing begins there as well as agriculture. Their writing system is known as "cuneiform". These were made up of wedge-shaped symbols carved into wet clay tablets and then baked. Thousands of these clay tablets still survive.

They provide information about Sumerian politics, literature, economy, law, and religion.
 Writing most likely began as a way of keeping records and recording facts. Towns first developed in Sumer about 3500 B.C. The Sumerians were also great craftsmen and traders.
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