Notoriously fat Nazi boss Hermann Goering pointed out in his 1935 Hamburg speech that "steel makes a nation strong while butter only fattens its citizens". Heartfield showed how ordinary Germans would be exposed to crude militarist propaganda, invading every aspect of life. The poster was a quasi-prophetic & tongue-in-cheek indictment of how WW2 (1939-45) would make ordinary people suffer. More here: http://www.johnheartfield.com/John-Heartfield-Exhibition/john-heartfield-art/polit