Buddhism Zen Buddhism is divided into two main schools: Rinzai (臨済宗) and Sōtō (曹洞宗), the former greatly favouring the use in meditation on the koan (公案, a meditative riddle or puzzle) as a device for spiritual break-through, and the latter (while certainly employing koans) focusing more on "shikantaza" or "just sitting". Zen Buddhism is primarily found in Japan, with some presence in South Korea and Vietnam. The scholars of Japanese Soto Zen tradition in recent times have critiqued the mainstream Japanese Buddhism for "dhatu-vada", that is assuming things have substantiality, a view they assert to be non-Buddhist and "out of tune
Japanese Zen at war', did the Sanbo Kyodan express apologies for this support This involvement was not limited to the Zen schools, as all orthodox Japanese schools of Buddhism supported the militarist state. Victoria's particular claims about D. T. Suzuki's involvement in militarism have been much disputed by other scholars. Some contemporary Japanese Zen teachers, such as Harada Daiun Sogaku and Shunryū Suzuki, have criticized Japanese Zen as being a formalized system of empty rituals in which very few Zen practitioners ever actually attained realization. They assert that almost all Japanese temples have become family businesses handed down from father to son,