Buddhism in Japan began teaching devotion to the "Lotus Sutra". Eventually, his disciples formed their own school of Nichiren Buddhism, which includes various sects that have their own interpretations of Nichiren's teachings. Nichiren Buddhism established the foundation of Japanese Buddhism in the thirteenth century. The school is known for its sociopolitical activism and looks to reform society through faith. In the Muromachi period, Zen, particularly the Rinzai school, obtained the help of the Ashikaga shogunate and the Emperor of Japan, and accomplished considerable development. After the Sengoku period of war, Japan was re-united in the Azuchi–Momoyama period. This decreased the power of Buddhism,
Buddhism in Taiwan to affiliate with Japanese lineages, including many whose status with respect to Buddhism or Taoism was unclear. (Emphasis on the Chinese folk religion was widely considered a form of protest against Japanese rule.) Attempts were made to introduce a married priesthood (as in Japan). These failed to take root, as emphasis on vegetarianism and/or clerical celibacy became another means of anti-Japanese protest. With Japan's defeat in World War II, Taiwan fell under the control of Chiang Kai-shek's government, resulting in contrary political pressures. In 1949, a number of mainland monks fled to Taiwan alongside Chiang's military forces, and received preferential