What belief system first made popular in china during Qin and Han dynasties

Hey mate here's your answer ⤵️

Confucianism became the state religion and grew more and more popular even though other religions, like Taoism, were also practiced.

one central belief of buddhism is often referred to as reincarnation -- the concept that people are reborn after dying. buddhism is a philosophy of life expounded by gautama buddha ("buddha" means "enlightened one"), who lived and taught in northern india in the 6th century b.c.