World War 1
This image uses sexual propaganda in order to convince everyone that they should join the military. This image is directed toward men, in a way that they use a beautiful woman to make them want to join.
In this image the creator used emotion in order to make anyone not in the military feel guilty hoping to make them want to join the military in order to help. It makes the viewer feel bad for those in war and want to help.
In this image, they use Uncle Sam to make you want to be there for your country. They make you feel proud to be apart of such a strong country.