While chinas government benefited from the ingrained ideas of confucianism and legalism to establish civic behavior and virtue india depended on to regulate social interaction among its diverse populations a. taosim b. buddism c. the caste system d. its political structure need answers asa

A and B are associated with China. They aren't what India depended on. They were more into Hinduism as a religion. So both A and B don't work.

You could make an awfully good case for the political structure until the muslims decided to live in Pakistan and Bangladesh. I think they depended more on the Caste System.