During which period of Indian history were the stupas of Sanchi and Sarnath built, reflecting its architectural style?

Correct option is B

The correct answer is (B) Mauryan rule
Explanation:
• The original stupas of Sanchi and Sarnath were commissioned by Ashoka.
• Ashoka belonged to the Mauryan dynasty.
• Mauryan architecture emphasized stupas and pillars.
• Later dynasties expanded but did not originate them.
• Hence, Mauryan rule is correct.
Information Booster:
• Sanchi Stupa is a UNESCO World Heritage Site.
• Ashokan pillars are key features of Mauryan art.
Additional Knowledge (Incorrect Options):
(A) Gupta rule
• Known for temple architecture.
(C) Kushan rule
• Promoted Gandhara art.
(D) Vakataka rule
• Known for Ajanta caves patronage.