i think its A. By repeating specific rhyme patterns throughout the poem!
I'd say B and D. Elementary school reports don't necessarily equate to knowledge of a subject (and research on the branches of government doesn't help you know <em>how</em> to govern), so A is out. C is nice, but popularity and charm do not a leader make, he might have ulterior motives to being as such, maybe taking advantage of the power? B and D show things he has done that would give him useful skills in the position.
In a nonfiction work, the text that features alphabetically lists key terms and their definitions is <em>Glossary</em>. A glossary is an alphabetically ordered list of words, that are technical or difficult to understand with their definition. It is used in nonfiction works and it refers to a specific subject or text. It is like a small dictionary.