Relevance is ordinarily a necessary condition, but not a sufficient condition, for the admissibility of evidence. For example, relevant evidence may be excluded if its tendency to prove or disprove a fact is heavily outweighed by the possibility that the evidence will prejudice or confuse the jury.
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.
C.) people couldnt find drinkable water at the beach. I know the answer because I just finished taking a quiz.