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====Shinto, Confucianism, Zen, and Bushido====

It was the combination of Shintoism, Confucianism, and Zen Buddhism that formed the samurai bushido warrior code. Although the samurai followed this code from the beginning of their existence, it was not codified until after the Sengoku in the seventeenth century. <ref> Friday, p. 340</ref> Besides the individual elements that each philosophy brought to the bushido code, there were also additional components that were unique to the code, particularly the practice of <i>seppuku</i>. The practice of seppuku, which was heavily influenced by Confucianism, held that if a samurai brings dishonor to himself, his family, or his lord in any way, then he must commit ritual suicide by disembowelment. A good samurai was also expected to take his life upon the death of his feudal lord. The code of bushido helped to give the samurai the discipline they have become known for and for the most part eliminated the wanton destruction of property and the murder of innocent civilians during any of their military campaigns. <ref>Friday, p. 346</ref>