Yes you are supposed to take a slight pause after saying the phrase "As Previously mentioned"
Answer:
can't help if you don't have pictures or better explanation
Its i think B... adverb would be the time or place or circumstances...
Incorporate what? if you mean their selfs then i would say by giving a spice of them self or make their story have some character that relates to them, but then again the story itself is them already.
Yes because it is a historical event and they needed a reason to live