These anti-semitic posters portray the Jews as fat greedy rats. This is an obvious sign of dehumanization since their image has literally been changed to an animal. The process of dehumanization is quick once you slip past the first stages. First take away the voices of the individuals then take their individuality. Once they are Isolated and all these human traits have been masked, lies can be told and spread, increasing the effects and they become nothing more than an animal, or an object, or in this case vermin.