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,
Faith in Buddhism hand. Pure Land Buddhism is currently still one of the most popular forms of religion in East Asia, and is practised by most East Asian monks. As of the 1990s, the older generation of Chinese people still used the Amitābha mantra in common everyday greetings. The Tendai scholar Genshin (942–1017), Tendai priest Hōnen (1133–1212) and his student Shinran (1173–1262) applied Shandao's teachings in Japan, creating Pure Land Buddhism there as a separate school for the first time. They believed and taught that mindfully reciting the "nembutsu" would be enough to secure the faithful person's entrance into the Western Paradise. Although