That really depends on if they remember it or not if they remember it and it was weird they feel that they need to tell someone about it and if it isnt weird but is realistic they worry/wonder if it will come true
Answer:
it refers to comparison between two unlike things that continues throughout a series of sentences in paragraph or lines in poem
"The Grand Canyon is a stunning sight" is an independent clause.
Cassius wants Brutus to join the conspiracy because he knows that Brutus is an influential person and the people love him.
If they can get as many respectable people on their side, then the deed they have planned will seem acceptable to the people (or so they think).