Answer:
A.
Problems or obstacles that make it difficult for characters to achieve their goals
Explanation:
The verb 'conflict' is usually defined as to come into collision or disagreement; to be contradictory, at variance, or in opposition; clash. The noun 'conflict' is usually defined as a fight, battle, or struggle, especially in a prolonged struggle; strife.
Answers will vary. Sample: Universal theme of love, because it is something that anyone, no matter what culture or time period they come from, can relate to.