Who were the Dravidians?

Dravidian people or Dravidians are the present and past speakers of any of the Dravidian languages. There are around 245 million native speakers of Dravidian languages

Explanation:

The Dravidians were the majority population across the Indian subcontinent before the second millennium. The evidence of early Dravidians comes from studying the Indo-Aryan culture, languages, and findings at many mounds, the preeminent of which are Mohenjodaro in Punjab and Harappa in Larkana District in Sind.

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following type of cultural development caused people to want and buy new products on the market :

utilized the penal colony