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 Japan Nara period saw the introduction of Tangmi (Esoteric Buddhism, Japanese "mikkyō") to Japan from China by Kūkai and Saichō, who founded Shingon Buddhism and the Tendai school, respectively. During the Heian period the capital was shifted from Nara to Kyoto. Monasteries became centers of powers, even establishing armies of Sōhei, warrior-monks. Shinto and Buddhism became the dominant religions, maintaining a balance until the Meiji-restoration. The Kamakura period was a period of crisis in which the control of the country moved from the imperial aristocracy to the samurai. In 1185 the Kamakura shogunate was established at Kamakura. This period saw the