Based on context clues, which is the best synonym for the word obligatory as it is used in this excerpt from goines's "let sleeping dogs lie"?

Which excerpt from leo tolstoy's the death of ivan ilyich reflects the author's opinion that the members of the medical profession don't really care about their patients?

From the glass menagerie: "suspended in the mist over berchtesgaden, caught in the folds of chamberlain's umbrella." who was chamberlain? a.paul chamberlain: tom's father b.neville chamberlain: prime minister of great britain. c.pedro chamberlain: amanda's drunkard husband d.cornelius chamberlain: gentleman caller for laura

Which word from the stanza can you use as a clue to determine the meaning of the word vales ?