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,
Newar Buddhism Newar Buddhism Newar Buddhism is the form of Vajrayana Buddhism practiced by the Newar people of the Kathmandu Valley, Nepal. It has developed unique socio-religious elements, which include a non-monastic Buddhist society based on the Newar caste system and patrilineality. The ritual priests ("guruju"), vajracharya (who perform rituals for others) and "shakya" (who perform rituals mostly for their own families) form the non-celibate religious sangha while other Buddhist Newar castes like the Urāy act as patrons. Uray also patronise Tibetan Vajrayanin, Theravadin, and even Japanese clerics. Although there was a vibrant regional tradition of Buddhism in the Kathmandu Valley during