occupation sakuma nobumori
The is a period in Japanese history marked by social upheaval , political intrigue and near - constant ___MASK38___ conflict . Japanese historians named it after the otherwise unrelated Warring States period in China . It came to an end when all political power was unified under the Tokugawa shogunate . Historical context . The goal of national unification and a return to the comparative political stability of the earlier Muromachi period was widely shared by the multitude of autonomous " daimys " during the Sengoku period . Oda Nobunaga was the first for whom this goal seemed attainable . Nobunaga had gained control over most of Honshu ( see map below ) before his death during the 1582 Honn - ji incident , a coup attempt executed by Nobunaga ' s vassal , Akechi Mitsuhide . It is not certain whether Nobunaga was killed in the attack or else committed seppuku . The motivations behind Mitsuhide ' s betrayal was never revealed to anyone who survived the incident , and has been a subject of debate and conjecture ever since the incident . , first called Jbei from his clan and later from his title , was a ___MASK6___ and general who lived during the Sengoku period of Feudal Japan . His full name was thus Akechi Jbei Minamoto - no - Mitsuhide (    ). Sakuma Nobumori (   , also Dewa no Suke (  ) and Uemon no Jo (  ) , 1528 -- February 18 , 1582 ) was a retainer for the Oda clan . Nobumori ' s banishment by Oda Nobunaga to Mount Koyasan has widely been regarded as symbolic of Nobunaga ' s ruthlessness against even his longest - serving retainers , highlighting the leader ' s shortcomings as a ___MASK38___ commander . The refers to the forced suicide on June 21 , 1582 , of Japanese daimy Oda Nobunaga at the hands of his ___MASK6___ general Akechi Mitsuhide . This occurred in Honn - ji , a temple in Kyoto , ending Nobunaga ' s quest to consolidate centralized power in Japan under his authority .