Since he was critical of the Cabinet of the Kenseikai and Rikken Minseito, along with minister of foreign affairs Kijuro SHIDEHARA, which took a cooperative diplomatic stance, he rejected an emergency imperial bail-out bill for the Bank of Taiwan and forced the First Wakatsuki Cabinet to resign in 1927; and he acted against the Osachi Hamaguchi Cabinet in the 1930 conclusion of the London Naval Conference.
協調外交を進める憲政会・立憲民政党内閣、幣原外交に批判的で、1927年（昭和2年）枢密院で台湾銀行救済緊急勅令案を否決させ第1次若槻内閣を総辞職に追い込み、1930年（昭和5年）のロンドン海軍軍縮会議締結時には濱口雄幸内閣を苦しめた。