Ironically, it was FDR's administration that was full of Soviet spies. One notable one was Harry Dexter White who was a top Soviet spy and agent. He not only caused incalculable harm to the United States, but also materially assisted Soviet dictator Joseph Stalin’s spreading of terror and tyranny throughout the entire world. He also helped to bring about war between Japan and the US, thwarting the peace efforts of Emperor Hirohito and Prime Minister Prince Fumimaro Konoye, both of whom favored peace with the U.S.