 One of the conditions imposed by Hayashi is that Yamazaki renounce his political party affiliation.In 1938, Yamazaki returned to the "Rikken Seiyūkai", but to the reform faction headed by Chikuhei Nakajima.In 1940, he was one of the primary members creating the League of Diet Members Supporting the Prosecution of the Holy War and supported the creation of a one-party state under the Imperial Rule Assistance Association, serving as policy chief, standing affairs chief and finally as Deputy Chairman.