Question

One of the reason historians believe that aryan invasion did exist was because

Answer 1

Hindutva activists

Step-by-step explanation:

they kept the Aryan Invasion Theory alive, because it offers them the perfect strawman

Answer 2

As continued study of Indus Valley Civilisation sites failed to turn up evidence of cataclysmic encounters, the Aryan Invasion Theory was abandoned. The decline of Indus Valley Civilisation cities has not been fully explained, but most scholars now attribute it to a mix of climate change and trade route disruptions.

Step-by-step explanation: