In literature, a conflict is a literary device characterized by a struggle between two opposing forces. Conflict provides crucial tension in any story and is used to drive the narrative forward.
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Answer
1. RESTRICTIVE; no commas needed.
2. RESTRICTIVE; no commas needed.
3. NONRESTRICTIVE; commas are needed.
4. NONRESTRICTIVE; commas are needed.
5. RESTRICTIVE; no commas needed.