What are the achievements and innovations created in the gupta golden age?

This period is called the Golden Age of India and was marked by extensive inventions and discoveriesin science, technology, engineering, art, dialectic,literature, logic, mathematics, astronomy, religion, and philosophy that crystallized the elements of what is generally known as Hindu culture.

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answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.