Which accomplishments are most associated with the Gupta Empire? defeat of the Chinese Empires and the adoption of Zoroastrianism

developments in astronomy and of the concept of zero

establish of peace with China and the spread of Islam

adoption of democracy and the creation of the Silk Road

developments in astronomy and of the concept of zero

Explanation:

The most associated accomplishments of the Gupta Empire is the developments in astronomy and of the concept of zero.

The other achievements of the Gupta Empire are present in different fields include sculpture, war, literature,  architecture, and painting. All the achievements named the era as India's "golden age."

Hence, the correct option is "developments in astronomy and of the concept of zero".