This propaganda let USA to start the war of pacific and WW2. It matched with the evil intent of FDR and USSR.
FDR gave east Europe to Staling. Then USA citizens fought in Korea and Vietnam. But now what happens?
Nowadays, thanks to Venona report, it is revealed that the Pacific War was brought about by Comintern. There were many USSR spies in FDR administration and they schemed to get US to fight Japan. Of course there were USSR spies in Japanese government in those days.