Answer:
Take our legendary man Michael Jackson for instance. Even after years pass, his songs are still popular. And honestly, almost every song you hear has some kind of purpose behind it. Music is a powerful way to send a message because aside from just the words, the instruments and music itself just makes you feel a certain way.
Explanation:
Depend on who you're trying to persuade. Depending on the subject, the audience may be different, so the need for persuasion may have a different appeal. If it's a tragic novel, it may call for emotional and ethical persuasion. In a murder mystery, for example, it may call for logical and rational persuasion. In a fiction novel, it may call for facts and evidence, especially if evidence is needed to be cited. And most often times, persuasion includes interests and opinions, so don't worry about that one.
It's universality, i assume you are taking this on oddysey lol
I can't really answer question 3 or 5 due to not seeing the passage or the picture to said passage, but I can answer question 4 for you. I would say the answer to 4 would be a.