Question

Which statements explain how the poster increased

Answer 1

It inspired anti-German sentiment, It encouraged Americans to help with the war effort. It brought back memories of lives lost because of a  German attack, these are the statements that explain how the poster supported the war.

Explanation:

• The office of the war information for receiving the people support they created and use the poster and propaganda which stimulates them for participation in the war.
• Those days the posters propagandas were mostly influenced the mass communication thus by this poster they got the support from the Americans  
• Thus the posters were created by conveying the memories of the people who they lost on the German attack and also an anti German sentiment to revenge them and also to participate in the war and to give support.