Buddhism in Japan movement to eradicate Buddhism and bring Shinto to ascendancy arose throughout the country due to the strong connections of Buddhism to the Shōguns. During the Meiji period (1868–1912), after a coup in 1868, Japan abandoned its feudal system and opened up to Western modernism. Shinto became the state religion. Within the Buddhist establishment the Western world was seen as a threat as well as a challenge to stand up to. Buddhist institutions had a simple choice: adapt or perish. Rinzai and Soto Zen chose to adapt, trying to modernize Zen in accord with Western insights, while simultaneously maintaining a Japanese
Zen aware of Zen as a distinct form of Buddhism, the visit of Soyen Shaku, a Japanese Zen monk, to Chicago during the World Parliament of Religions in 1893 is often pointed to as an event that enhanced the profile of Zen in the Western world. It was during the late 1950s and the early 1960s that the number of Westerners other than the descendants of Asian immigrants who were pursuing a serious interest in Zen began to reach a significant level. Japanese Zen has gained the greatest popularity in the West. The various books on Zen by Reginald Horace Blyth,