Answer:
Asoka's conversion from an aggressive ruler to moral one was an important event in Indian history.
A) It started the propagation of Buddhism in India.
B) Art and architecture of that period include rock edicts, pillars, stupas, chaityas and vihara throw light on its influence by Buddhism.
C) He send officials and his children to different countries for the propagation of Dhamma.
D) The period followed was quite and provided stability to the emperor.