Answer:
✔️Accomplishments during the Gupta Empire.
Step-by-step explanation:
The best that completes the diagram is "accomplishments during the Gupta Empire"
During the Gupta Empire, there advances in mathematics and science, golden age of Sanskrit literature, stable government with a strong military and revival of hinduism.
The Gupta period is known to be an awesome time in the history of India. The empire arose during the latter half of the third century. It made many scientific advancements and had breakthroughs in fields of astronomy, medicine and mathematics. Sanskrit strongly influenced Indian languages directly.