Multiple choice

How did the Indus Valley civilization decline?

  1. Environmental disaster

  2. The economy collapsed

  3. Invasion by Persians

  4. Revolt
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A Correct answer
Explanation

Most modern archaeologists and historians believe that the Indus Valley civilization declined due to environmental disasters, such as shifting river courses, severe droughts, and climate change. These ecological changes disrupted agriculture and forced the population to migrate.

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