How did Confucianism change after its rebirth in 600 A. D.?

At the time of the first Opium War (1839–42), East Asian societies had been Confucianized for centuries. The continuous growth of Mahayana Buddhism throughout Asia and the presence of Daoism in China, shamanism in Korea, and Shintōism in Japan did not undermine the power of Confucianism in government, education, family rituals, and social ethics. In fact, Buddhist monks were often messengers of Confucian values, and the coexistence of Confucianism with Daoism, shamanism, and Shintōism actually characterized the syncretic East Asian religious life. The impact of the West, however, so fundamentally challenged the Confucian roots in East Asia that for some time it was widely debated whether Confucianism could remain a viable tradition in modern times.

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