Japanese Zen is derived from the Japanese pronunciation of the Middle Chinese word 禪 (Chan) which traces its roots to the Indian practice of dhyāna ("meditation"). Buddhism was introduced to China in the first century CE. According to tradition, Chan was introduced around 500 CE by Bodhidharma, an Indian monk teaching dhyāna. He was the 28th Indian patriarch of Zen and the first Chinese patriarch. Buddhism was introduced in Japan in the 8th century CE during the Nara period (710-794) and the Heian period (794–1185). Zen was not introduced as a separate school in Japan until the 12th century during the Kamakura
Zen at War Wisdom [of Enlightenment]. The unity of Zen and war of which I speak extends to the farthest reaches of the holy war [now under way]." The book also explores the actions of Japanese Buddhists who opposed the growth of militarism. The 2002 edition of "Zen at War" was followed by "Zen War Stories", which further explores the intimate relationship between Japanese institutional Buddhism and militarism during World War II. Victoria draws from his own study of original Japanese documents, but also uses the publications of Ichikawa Hakugen, a Rinzai-priest and a scholar who taught at Hanazono University in Tokyo. Hakugen's