I don’t understand exercise A number 2 Can someone help me?

Which statement best explains why shakespeare has cassius use the word fawn rather than a synonym such as flatter to describe his actions?

What is implied in this sentence from mark twain's "the £1,000,000 bank-note"? i was puzzled, and wanted to discuss the matter a little further, but they didn't; so i took my leave, feeling hurt and insulted to be made the butt of what was apparently some kind of a practical joke, and yet obliged to put up with it, not being in circumstances to resent affronts from rich and strong folk.

How does the author foreshadow trouble in the prison? support your answer with explicit textual evidence.