Answer:
C. after seeing much violence and participating in it
Step-by-step explanation:
Aśoka was Emperor of Mauria, this territory is part of the current Indian subcontinent. Although there are mixed opinions about the conversion to Buddhism by Asoka, we can affirm that once the war of Kalinga is over, the emperor is filled with remorse and regret for all the violence caused, and from that moment began His conversion. The emperor helped in the expansion of Buddhism throughout the territory.