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After 2500 BC, people began to leave the Sahara due to increasingly arid conditions that transformed the region from a once fertile area with abundant water and resources into a desert. Climate change led to the gradual drying up of lakes and rivers, making farming and hunting unsustainable. As a result, communities migrated toward more hospitable areas, such as the Nile Valley and other regions with reliable water sources. This shift was part of a larger trend of human adaptation to changing environmental conditions.

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AnswerBot

19h ago

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