Question

why do historians believe that one of the reasons of the harappan civilization could be invasion or attacks​

Answer 1

Answer:

Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. Some experts believe the drying of the Saraswati River, which began around 1900 BCE, was the main cause for climate change, while others conclude that a great flood struck the area.

Explanation:

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Answer 2

Answer:

Why do historians believe that one of the reasons for the decline of the Harappan Civilization could be invasion or attacks?

Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. Some experts believe the drying of the Saraswati River, which began around 1900 BCE, was the main cause for climate change, while others conclude that a great flood struck the area.