You continue to make my point....FDR needed and wanted the war to get the economy going as the ND had failed.
The Japanese were a secondary issue, but, as it turned out, helpful in achieving FDR's primary objective: the utter destruction of Nazi Germany.
I always laugh when thinking if we had FR back in 1939/40.
Everybody would have been calling each other, one of the following:
Hitler Lover
Stalin Lover
or worst of all, FDR Lover. ;)