Answer:
A sentence that gets right to the point
Explanation:
It's doesn't use figurative language, it's not a quote from a speech, and most people know about Pearl Harbor.
Answer:
Narrative essay.
Explanation:
Narrative essays are written in the point of view of the author, much like this one. Hope this helps :)
In fiction, you would like to give variety to your word choices. In formal business or academic writing, You want to prevent ambiguity and so may use the same word again and again to make your meaning clear. For example "contract" might be used repeatedly rather than along with some synonyms for it.