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 it was located. Unlike early Shinto shrines, early Buddhist temples were highly ornamental and strictly symmetrical. The early Heian period (9th–10th century) saw an evolution of style based on the mikkyō sects Tendai and Shingon Buddhism. The Daibutsuyō style and the Zenshūyō style emerged in the late 12th or early 13th century. Although its date and practices vary region to region, the Bon Festival is celebrated primarily in Japan and in communities with large Japanese diaspora communities. It is believed that the spirits of the dead return to earth for three days and visit the family shrines or graves. It