Why do historians generally regard the Harappan Civilization and the Rig Vedic Culture as representing two different societies?

1. The Indus Valley civilization was essentially an urban civilization, while the Vedic civilization on the other hand was essentially a rural character.

2. The Indus Valley people were icon worshippers, whereas the people of Vedic civilization were opposed to icon worship.

3. The Indus Valley people were much more advanced than the people of the Vedic age in the art of writing.

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