To show that time has passed
- describing an important event doesn’t make sense because it’s important they wouldn’t want to rush through it
- introducing a character doesn’t make sense because getting to know a character helps to build your story
- creating a calm feeling doesn’t make sense because calm is usually associated with slow pace
The information that would be most helpful in determining the conflict between the speaker and his coy mistress is that Rubies were valued in Asia as amulets thought to preserve virginity.
This is helpful, because it hints at the later concept of the poem of the speaker desiring to have intercourse with his "coy" beloved, while the other statements are merely facts that are unrelated to the overall themes of the poem.
Frankenstein's monster refers to Lucifer here, one of God's most beloved angels, who committed a crime and was thus banished from haven into hell - he was the first fallen angel, believed to be the devil, Satan himself.