Answer:
By revealing important events in a character's past.
Explanation:
Flashbacks help us understand characters more and build on characters' personalities. They help us understand why they do certain things and what has led up to their current decisions. I guess it could be number three, but the first answer is the most obvious and logical one.
Answer would be A because poetry is not often written quickly, it all depends on the process of the writer which cancels C out. Modern poetry can't be reproduced easily because again that is more of a personal statement regarding the writer which cancels D, and no all poetry is repetitive since there are different types of poetry which cancels B and you get left with A which does makes more sense knowing the main purpose of a poem is to transfer a meaning.
