(1) Hara kiri developed as an integral part of the code of bushido and the discipline of the samurai warrior class.(2) The notion that the samurai's bushido represents a moral or social principle to live by is more than dubious.(3) As well as fighting, he immersed himself in the samurai's code of bushido , also known as the way of the warrior.(4) The military version of bushido was seen as a distortion of samurai ethics by some of the upper class who resented the commoner military.(5) It's set in 1865, the year regarded as the last hurrah for bushido , the samurai code (Japan was on the verge of leaving its self-imposed isolation).