The First Part of the Poster War compares the propaganda symbols which were used to identify and vilify the enemy with those which were used to unify and encourage Allied society.

Liberation Loan That Liberty Shall Not Perish From The Earth Victory Bonds Will Help Stop This Keep These Off The U.S.A. Blot It Out Beat Back the Hun Remember Belgium 4 Reasons Liberty For the Supreme Effort Help Catch Huns

The Second Part of The Poster War investigates the use of the soldier on the battlefront as a universal propaganda image.

National Reconstruction Loan We Will Get Them! And They Thought We Couldn't Fight Come On! Back Him Up! 4th National Loan Do Not Pass! Pave The Way to Victory They Kept The Sea Lanes Open We are Saving You The Greatest Mother In The World Untitled, Red Cross Doing My Bit Four Years If Ye Break Faith - We Shall Not Sleep

The Third part of The Poster War illustrates various home-front themes that serve as objects of the propagandist.

Be Yours to Hold It High For Home and Country Americans All! Help Till It Hurts Oh Please Do! Daddy Do It Again Daddy Please! Nothing Doing They Serve France Keep All Canadians Busy $5 For $4 Faith in Canada Our Export Trade is Vital Help Canada Secure Business Canada's Grain He Needs Credit Sure! We'll Finish The Job Come On! Lets Finish The Job Bring Him Home Help In The Work of Reconstruction Re-Establish Him Peace