Which characteristic make the gupta empire a golden age?
a) adoption of a social caste system
b)conquest of neighbors
c)growth of religious schools
d)reduction in trade

A) adoption of a social caste system  

Explanation:

The prosperity under the Gupta Empire, which secured a significant part of the Indian subcontinent from roughly 320-550 CE, empowered the wide quest for logical and imaginative undertakings.

This period wound up known as the Golden Age of India since it was set apart by broad innovations and revelations in science, innovation, designing, arts, writing, logic, arithmetic, cosmology, religion, and reasoning. These disclosures solidified components of what is for the most part viewed as Hindu culture.

hello there the answer is a

sorry if i am wrong hope that : )