Which option best explains the collapse of the Mauryan Empire? (1 point)
A. After the death of Ashoka, economic struggles and breakaway states led to a decentralized Indian subcontinent.
B. Chandragupta Maurya converted to Buddhism, leading to the collapse of the Mauryan Empire and the independence of kingdoms in the south.
C. After Ashoka Maurya, the empire was conquered by Alexander the Great.
D. After the war against Kalinga, the Mauryan Empire's power in the region was undermined, and they never recovered their influence in the region.