At the time of the second Lower House general election in 1892, Shinagawa and Shirane pressured the Minto party (the general term for the political parties such as Liberal Party and Progressive Party which conflicted with a han-dominated government when the Imperial Diet was inaugurated) by manipulating the well-connected influential regional governors and police in order to interfere with the election on a large scale.
明治25年（1892年）の第2回衆議院議員総選挙において、品川と白根は、つながりの深い「古参地方官」（地方の有力知事）や警察を動かして大規模な選挙干渉を行い民党側を圧迫。