What were largely due to the influence of Taigaiko group are the anti Russia comradeship with Atsumaro KONOE (the father of Fumimaro KONOE) who was the family head of the former Sekkan-ke (the families which produced regents), the fervor of theory of outbreak of Japanese -Russo War in the Incident of Shichihakase Kenpaku (movement of outbreak of Japanese-Russo War by seven doctors), and the Hibiya Incendiary Incident by the people who were against Treaty of Portsmouth.
旧摂関家の当主であった近衛篤麿（近衛文麿の父）を擁した対露同志会を始めとして、七博士建白事件における日露開戦論の高まり、戦後のポーツマス条約締結に反対する民衆による日比谷焼討事件など、対外硬派の影響によるところが大きい。