Best Answer: Ashoka converted to Buddhism and emphasized on ahimsa doctrine of Buddhism then he prohibited the ritual animal sacrifice of Vedic religion. read more
However, the greatest ruler of the Mauryan Empire was Ashoka, whois known to have been an invader first and then a peace-lovingBuddhist missionary. Ashoka ordered the preaching of Buddhism inSri Lanka, China, Burma, Indonesia and many other nations duringhis reign. Also, Ashoka was the best ruler because he made Mauyrapowerful and steady. read more