The correct answer is "the universal topic". Universal topics are non specific themes which can be the main focus of an essay for example, "food", "animals", "friendship", "love", among other. Nonfictional works could be focused of any universal topic, and the author's purpose by writing the work is to elaborate in this topic with her or his readers.
They both had charisma and engaging personalities.
Sorry but to answer this you would need to send us a link. Super sorry I can’t help.
My father is annoyed by people who think that the world owes anything. There is the relative pronoun WHO which its antecedent is people