Did the Aryans bring the caste system to India?

Did the Aryans bring the caste system to India?

If you think the white man first occupied India during the reign of Queen Elizabeth I, you are completely wrong...
Once upon a time, there was a civilization that flourished around the present-day Indus River (Indus actually means river in Sanskrit), likely speaking a Dravidian language. Today, people make fun of Indians defecating on the streets; however, back then, that civilization had constructed the most advanced sewage systems of its era. So why did it vanish?

Svastika cames from Indo-Europeans
Svastika cames from Indo-Europeans

Blonde, blue-eyed people coming from the north had domesticated the horse, practiced metallurgy, and built a pastoral lifestyle. (Thanks to EHG genes, they had lactose tolerance.) Their lifestyle, built on meat, milk, and movement, made them the largest people of their age; as if that were not enough, they invented the chariot and set about invading India. These incursions led to the collapse of the settled civilization and the formation of the caste system.
Genetics tells us that people belonging to the upper castes truly carry much, much more of these conquerors' genes, bringing them closer to Europeans

Did the Aryans bring the caste system to India?
Did the Aryans bring the caste system to India?
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