I’m sorry what was the question?
Madame Mathilde Loisel selects what she thinks is a diamond necklace because she believes it is "superb" and just the kind of dazzling jewelry that will enable her to attract the attention of the male guests and make her appear affluent.
Access to a new world that opens before him but the strongest effect of his literary is the light it cast on the world he already knows.
Object of the preposition