Role of comic books during major wars

Discuss the role of comic books during major wars World War World War Vietnametc.What influence did they have an American society in respect to American foreign policy and war? Did they represent the policies of the government or did they represent the opinion/views of the general public? The term comic book derives from American comic books once being a compilation of comic strips of a humorous tone; however, this practice was replaced by featuring stories of all genres, usually not humorous in tone.