Although the bakufu cleverly succeeded to delay the execution of the expulsion of foreigners, partly thanks to the maneuver by Katamori MATSUDAIRA against the Imperial Court, the dissatisfaction of the Joi-ha (supporters of expulsion of the foreigners) further mounted up.
松平容保による朝廷工作もあって、巧みに攘夷実行を遅らせることに成功した幕府であったが、攘夷派の不満は増す一方であった。