[1] During the Sengoku period, Japan's social and legal culture evolved in ways unrelated to the well-known history of serial battles and armed skirmishes.
A number of forward-looking daimyōs independently promulgated codes of conduct to be applied within a specific han or domain.
Few examples of these daimyō-made law codes have survived, but the legal framework contrived by the Rokkaku clan remains amongst the small number of documents which can still be studied In 1567, the Rokkaku-shi shikimoku is promulgated.
Then in 1572, Namazue was besieged and defeated by the forces of Oda Nobunaga, led by Shibata Katsuie.
[3] The series of defeat in the late 1560s and early 1570s signaled the end of the Rokkaku clan's independence.