 Shidehara diplomacy rakasvika pakurondedzera mutemo weJapan wokunze wenyika mukati memakore a1920. Muna October 1925, akashamisa dzimwe nhume kuBeijing Customs Conference mukusundidzira chibvumirano kuzvikumbiro zveChina zvekuzvitonga kwemitero. Muna March 1927, mukati meNanking Incident, akaramba kubvumirana nehurongwa hwakagadzirirwa nemamwe masimba ekunze achityisidzira kutsiva zviito zveChiang Kai-sheks Kuomintang mauto ekurwisa kwavo makonsulati ekunze nekugara. 