The correct answer to this open question is the following.
The way in which Asoka imitated the Buddha was that both sat beneath a tree to meditate.
Emperor Ashoka decided to convert to Buddhism because one day he realized the damage he had created to other people during the Kalinga War. He felt remorse and he changed his life. He found peace in the teachings of Budha and considered beneficial to all humans and animals, to the degree he ordered to build many temples or stupas.
