Final answer:
The World War II poster uses Both Ethos and Pathos appeals to encourage Americans to avoid sharing information that could hurt the war effort.
Step-by-step explanation:
The World War II poster uses both Ethos and Pathos appeals.
- Ethos: The poster appeals to Ethos by featuring images of heroic infantrymen bravely facing enemy fire. This image of soldiers in action serves to establish the credibility and the moral character of the American soldiers, encouraging viewers to trust and support the war effort.
- Pathos: The poster also appeals to Pathos by evoking emotions of patriotism and determination. The dramatic and vivid language used, such as 'the grit and determination of infantrymen in the face of enemy fire,' aims to stir up feelings of national pride and inspire viewers to avoid sharing information that could jeopardize the war effort.