4 because it doesn't relate to the other 3 answers
Answer:
final boss
Explanation:
like the final boss of a game
Is that the question? Because it seems like a title to the question and not the real question
Characterization of Mrs. Gleason because it shows that her character is nice and joyful and very offering
It might be stated that part 4 is included in order to provide a data-support information, that is to say, that this is not just an opinion but there have been researches on the matter, such as census and polls which might add validity to the statements. This is a way of showing that there is enough information to support the topic discussed.