 Having been forced by the authorities to sever her connection with the Communist Party in the mid-1930s, she eventually collaborated with the authorities by writing literature in support of the Japanese war effort during WWII.With the end of the war in 1945 Sata's writing re-emerged as part of the new democratic movement.In 1946 she rejoined the JCP (Japanese Communist Party), although, as before, she often voiced vehement criticism of the party.