Final answer:
Ashoka's Buddhist policy changes and emphasis on Buddhist thought greatly impacted the political, cultural, and artistic aspects of the Mauryan Empire.
Step-by-step explanation:
Ashoka's Buddhist policy changes and emphasis on Buddhist thought had significant effects on the political and cultural world of the Mauryan Empire. His conversion to Buddhism led to the promotion and spread of the religion throughout India and beyond.
Ashoka's support for Buddhism also influenced the artistic and architectural landscape of the empire, with the construction of stone pillars inscribed with moral teachings and the patronage of the arts. Additionally, Ashoka implemented reforms that focused on the well-being of his subjects, such as building hospitals and rest-houses, as well as promoting peace and compassionate rule.