<P> Government authorities limit proselytism, particularly by foreigners and unregistered religious groups, but permit proselytism in state - approved religious venues and private settings . During the 2008 Summer Olympics in Beijing, three American Christian protesters were deported from China after a demonstration at Tiananmen Square, and eight Dutch Christians were stopped after attempting to sing in chorus . </P> <P> Pope Benedict XVI urged China to be open to Christianity, and said that he hoped the Olympic Games would offer an example of coexistence among people from different countries . Unregistered Roman Catholic clergy has faced political repression, in large part due to its avowed loyalty to the Vatican, which the Chinese government claims interferes in the country's internal affairs . </P>

The chinese teaching that eventually became the official ideology of the chinese state was