sentences:  In 1940, all political parties were forced to merge into the Imperial Rule Assistance Association ("Taisei Yokusankai"), a pro-military political organization headed by former prime minister Nobuyuki Abe.The likewise fascist Touhou Party broke away from the Taisei Yokusankai and turned against prime minister Hideki Tōjō.Among those running against the Taisei Yokunsakai, only the Touhou Party was allowed to run in the election as non-partisans.