For question one, its the first answer
and for question two its the last answer
The correct answers are a. learning and the arts flourished, supported by the thriving gupta economy and c. gupta artisans produced goods sold locally and as far away as the middle east and southeast asia
These are evidence that explain their prosperity.
Answer:
Preservation of Greek arts and literature.
Explanation:
Without the Byzantine Empire, most of Greek literature, art and cultures, and maybe the ancient Greek themselves would've been lost in history.
It was automobile industry