In order to warn the court nobles and roshi (masterless samurai) in Kyoto who advocated the expulsion of the foreigners, Abe and Munehide MATSUDAIRA led an army of 4,000 soldiers to Kyoto.
このため、京都の攘夷派公家・浪士らの牽制として、阿部と松平宗秀は兵4,000を率いて上洛。