What evidence shows the prosperity of the gupta empire? select all that apply.
a. learning and the arts flourished, supported by the thriving gupta economy
b. tax records from strict gupta oversight of village and city government reveal very profitable trade.
c. gupta artisans produced goods sold locally and as far away as the middle east and southeast asia
d. accounts of loot taken in gupta wars and tribute from the conquered indicate a wealthy empire.