One reason the Euphrates, Indus, Nile, and Tigris valleys became centers of early civilization is that these valleys had

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History

Simone Hanson

13 April, 08:36

One reason the Euphrates, Indus, Nile, and Tigris valleys became centers of early civilization is that these valleys had

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Atkinson · Answer 1

Because they were rivers, so immediately you know it was a water source. Plus, these rivers flooded, which was beneficial for having fertile soil. The fertile soil meant crops could be planted there.