Who were the first group intrigued by Buddhism and Daoism and why did they become more and more popular?

The first groups intrigued by Buddhism and Daoism were primarily the early Chinese intellectuals and scholars, as well as the common people seeking spiritual fulfillment. Buddhism offered a new perspective on suffering and enlightenment, while Daoism emphasized harmony with nature and the cosmos. Their popularity grew as they provided alternative ways of understanding existence, morality, and the human experience, especially during times of social and political upheaval. The adaptability of these belief systems to local customs and philosophies further facilitated their spread and acceptance.