Describe the role of popular culture in promoting the war effort at home.If you can please be as detailed as possible, that would really help, thanks.

There were all sorts of ways in which popular culture promoted the war effort at home during World War II.

There were many movies made about the war.  These typically showed the Americans and their allies fighting valiantly against the evil enemy.  One example of this is the movie Bataan.

Similarly, you can even see support for the war effort in cartoons.  Both Popeye the Sailor and Bugs Bunny had cartoons in which they directly fought against the Japanese.  In various Bugs Bunny cartoons there are references to the need to do things like avoiding unnecessary traveling so as to help with the war effort.