Look at this poster. For which purpose would US government officials have published a poster like this one? to promote sympathy for the Japanese to rally support for American involvement in the war to punish those who wanted to forget about Pearl Harbor to remind Americans that Germany was its main enemy
To rally support for American involvement in the war
For both WW that the USA was involved in, the administration of Wilson and Roosevelt most daunting task was to convince the American public, which was sharply pacified on the need to join the war.