The Jesuits argued that Chinese folk religion and offerings to the emperor and departed ancestors were civil in nature and therefore not incompatible with Catholicism, while the Dominicans argued the reverse.
The pope decided in favor of the Dominicans, which greatly reduced Catholic missionary activity in China.
At the time, there was fascination among European intellectuals with Chinese culture, Confucianism, Chinese language. Some even pretended that the Church declared Confucius as a Christian saint.
See also