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,
History of Buddhism in India were periods when the state also gave its support and protection. In the case of Buddhism, this support was particularly important because of its high level of organization and the reliance of monks on donations from the laity. State patronage of Buddhism took the form of land grant foundations. Numerous copper plate inscriptions from India as well as Tibetan and Chinese texts suggest that the patronage of Buddhism and Buddhist monasteries in medieval India was interrupted in periods of war and political change, but broadly continued in Hindu kingdoms from the start of the common era through early 2nd millennium