The correct answer is B because none of the other ones show people/ things bandwagoning
Your answer is C. Acquaint yourself with the political situation in Africa, because the first letter is capitalized and all the proper nouns are capitalized. :)
The type of exposition that is illustrated in this paragraph is illustration and example because in the first idea of the paragraph the picture of the topic is described by features and characteristics to give the reader that idea of large amount of unhealthy edible elements people eat per meal, and in the second idea of it there is an example that just looking at the menu, people may recognize the health problems eating these plates brings.