revolution needed to be started to survive from chronological imperialism. Edo makufu was little different from other two emperor, Tokugawa makufu didn't accommodate western culture and power to distribute cultural and social impact on their makufu's, because Christianity's equal right and western's civilization product swayed Edo makufu's fundemental social and political structure.
Therefore, the police of seclusion maintained Japanese feudalistic system as an isolated nation and prevented the influence by opening only one government's port. Consequently, by controlling culture and society, Edo makufu could manipulate the time of trend and encouraged only loyalty from samurai with literature and culture like Chushingura. In peaceful time, the samurai's position generated continuous questions, their functional purpose had been gone because too many sword was not necessary in peaceful time. Samurai took majority of officer positions and earned a stipend without performing essential functionality. This unbalanced situation created the most of farmer's vehemence from the heavy taxes and unfair treatments within social hierarchy. So that contrived the beginning of aristocratic revolution from maximizing the degree of disintegration between farmers and samurai. Without this phenomenon, this revolution would not occur in that time. Also, unbalanced politic division between the central government and makufu built up revolutionary qualification in peaceful
time. Relatively, makufu had higher impact on politic decisions than central government due to the legitimacy on daimyo's land and loyalty to shogun. In other word, samurai took essential position in office, even after Tokugawa became a shogun. Consequently, civilians had to go central government, because daimyo would give essential position to samurai rather than civil officers. so that generated another unequal treatment between a civil officer and samurai and consequently, shogun and daimyo had limited resources to apply on their politic, less diversity opinions, but mainly based on samurai's position. Ultimately not appointing the civil officer into the position of trust lead to the another disharmony in Edo period.