The best explanation for the spread of Buddhism during Asoka's reign is:
"Asoka took over Kalinga by force. Asoka adopted Buddhism. Asoka became a just and compassionate ruler."
Explanation:
- Asoka took over Kalinga by force: The brutal conquest of Kalinga caused immense suffering and loss of life, which deeply affected Asoka.
- Asoka adopted Buddhism: After witnessing the consequences of his actions in Kalinga, Asoka embraced Buddhism, which emphasizes non-violence and compassion.
- Asoka became a just and compassionate ruler: His conversion to Buddhism led him to promote moral governance, tolerance, and the spread of Buddhist teachings throughout his empire, leading to increased support and expansion of Buddhism.
This sequence of events highlights the transformation in Asoka's outlook, which was crucial for the spread of Buddhism.