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  Guilt Trip Posters of World War II 

Oh sure. The boys of America could fight the good fight by drawing detailed battle scenes on notebook paper... culminating with the kinetic addition of ammunition in action, complete with sound effects (the classic "budda budda budda" was a meme in itself).  

But there was little innate sense of Nazis and the Emperor's kamikazes lurking anywhere near the school.

Kids had to be warned.