Propaganda is communication aimed at influencing the attitude of a community toward some cause or position. As opposed to providing impartial information, propaganda in its most basic sense, presents information primarily to influence an audience.
Propaganda is generally an appeal to emotion, not intellect.
Some of the same methods are used in advertising and public relations.
These images are made to appeal to something inside you that you almost can't put into words... They should make you feel something, and in turn you are to believe that feeling is truth.
Produced anonymously by art students and striking workers, the posters were distributed for free. The bold graphic messages appeared on the barricades, were carried in demonstrations and plastered on walls across France.