LRI4600938 Defeat the Kaiser and his U-boats: victory depends on which fails first, food or frightfulness: eat less wheat. American propaganda poster from World War 1, with a portrait of Kaiser Wilhelm II wearing a English helmet in the foreground by American School, (20th century); Private Collection; (add.info.: World War I: American anti-German propaganda poster from the United States Food Administration with a portrait of William II with a German helmet - ???efeat the Kaiser and his U-boats: victory depends on which fails first, food or frightfulness: eat less wheat??American propaganda poster from World War 1 made by the United States Food Administration with a portrait of Kaiser Wilhelm II wearing a English helmet in the foreground - Private collection); Luisa Ricciarini; American, out of copyright.