The correct answer is letter B.
Explanation: Emotional appeal can be made to give the recipient a sense of excitement, joy and happiness, or the opposite: fear and guilt. When there is an appeal to emotion, the irrational aspects are taken into account and the arguments disregarded. Beautiful places, happy people, families having fun causes a positive feeling and motivate consumers to shop.
Allies engaged in propaganda efforts overseas for a few very important reasons. One was that they wanted to spread their own influence which they also somehow managed to do considering that Europeans viewed the American nation more positively over time.