Answer:
Adult nightmares, for example, might be brought on by worry and sadness. Post-traumatic stress disorder (PTSD) is also known to induce persistent, recurring nightmares in a large number of persons. Adults might have nightmares as a result of various sleep problems. Sleep apnea and restless legs syndrome are examples of such conditions.
Explanation:
Hope it helps:)
The struggle or clash would be the conflict(C) because conflict is a disagreement or a clash of ideas.
I'm quite sure the answer is C. Mia is hoping to return to the island of her birth.
I chose this answer because an infinitive phrase group of words consisting of an infinitive. This answer contains both.