Answer:
Wiesel chooses to include the information in paragraphs 2-3 because he does not want others to forget, otherwise history could repeat itself.
The revision that maintains the best academic style throughout (and is most polite) would be answer D. The "academic style" is generally meant to be free of slang and grammatically correct.
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Answer:
The dependent clauses are the clauses which start with a conjunction.
So, the dependent clauses are:
1) After she watched Star Wars movies all afternoon
2) because her eyes hurt