Answer:
"Once upon a midnight dreary, while I pondered, weak and weary,"
Explanation:
This makes the tone gloomy because it informs the reader(s) that Poe is weak and weary. When someone is upset or gloomy they are tired, week, weary because they don't want to do anything. So this line would help create gloomy tone of the poem.
The suffix -ine in the word heroine refers to a female person. A hero is a main protagonist, or a brave man, but if you want to use a word for a woman to denote the same thing, you would add the suffix -ine to mark that this is a female gender. Hope this helps! :)
I believe it is Point of view since it has an explanation of a character or an observer
