D, that Romeo is happy to worship Juliet's superior beauty. Since Juliet does not know Romeo is watching her until the end of the passage, Romeo takes his time in admiring her beauty in the moonlight, this suggests that the young lovers are content in being with each other forever, that there is peace and a tender love between them. Hope this helped! Have a good day!
Twain likely made Henry Adams an American in England to show how far removed he was from what was viewed as proper English society. As an American he would be considered a backwards outsider that could not possibly fit in. That all changes when he receives the bank-note and then can afford to buy his way into the English society.