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 practice, 75% practice some form of Buddhism (compared with 90% practicing Shinto, thus most Japanese practice both religions to some extent (Shinbutsu-shūgō)). About 60% of the Japanese have a Butsudan (Buddhist shrine) in their homes. The arrival of Buddhism in China is ultimately a consequence of the first contacts between China and Central Asia, where Buddhism had spread from the Indian subcontinent. These contacts occurred with the opening of the Silk Road in the 2nd century BCE, following the travels of Zhang Qian between 138 and 126 BCE. These contacts culminated with the official introduction of Buddhism in China in