The correct answer is D) glittering generalities.
The persuasive technique in the poster is glittering generalities.
The painting created by Norman Rockwell during World War II uses a persuasive technique in the poster called glittering generalities when he writes in the painting the phrase: “Ours…to fight for Freedom from Want.”
Glittering generalities is a persuasive technique that uses positive words or phrases that make the audience feel good or relax. Usually, the word or phrase leaves the reader with a good feeling or a nice impression.