Multiple choice Against which kingdom did Ashoka lead Magadha Kalinga war? Gedrosia Kalinga Kamboja Gandhara Reveal answer Fill a bubble to check yourself B Correct answer Explanation Emperor Ashoka fought the Kalinga War (261-260 BC) against the kingdom of Kalinga (modern-day Odisha). The brutal conquest and its massive casualties transformed Ashoka, leading to his conversion to Buddhism and adoption of non-violence.