Well, it used like many times, so I would say simile. However, an analogy can use like or as to, so I'm not too sure. But, I'm going with simile.
Answer:
Oxymoron
Explanation:
The phrase contains contradictory words
Imagery in poetry influence the poetic element of mood.
Answer:
The dialogue helps the reader to analyze Poe's character.
Explanation:
The dialogue identifies the lonely and dark nature of the character. Which is clearly evident from the dialogue.