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Answer:

These various interconnections mean that history, civilization and writing all begin at the same time. That time is about 3100 BC. In about 3200 BC the two earliest civilizations develop in the region where southwest Asia joins northeast Africa. Great rivers are a crucial part of the story.

Explanation:

Answer:

3100 BC. In about 3200 BC the two earliest civilizations develop in the region where southwest Asia and northeast Africa join.

Explanation:

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