 In the postwar years, however, she emerged again as a public figure through the peace movement.In 1950, the day after the outbreak of the Korean War, she traveled to the United States together with writer and activist Nogami Yaeko and three other members of the Japan Women's Movement () in order to present US Secretary of State Dean Acheson with a request that a system be created in which Japan could remain neutral and pacifist.Hiratsuka continued to champion women's rights in the postwar era, founding the New Japan Women's Association () in 1963 together with Nogami and noted artist Iwasaki Chihiro, and continuing to write and lecture up until her death in 1971.