Answer: C. Ashoka decides to promote Buddhist ideals in the Mauryan Empire
Step-by-step explanation:
Ashoka the Great was an emperor of Mauryan India who in the year 261BC, led an army to conquer the state of Kalinga so that he may add it to his empire.
It is said that so many were killed and such blood was spilled that the Daya River which was close to the battle site ran red with blood. When Ashoka saw this, he was so moved that he vowed never to use violence to conquer other nations.
In line with his new nature, he turned to Buddhism and issued several edicts and sent several thousand Buddhist missionaries around his known world to spread Buddhism both in his empire and out.