Which rhetorical element is strongly evident in this excerpt?

she is later raised by him and his wife, madame valmonde, who sees her as gift from god, as the couple cannot have their own children. later, desiree falls in love with a wealthy man, armand aubigny, and they get married.

the switch in narration increases the proximity of the narrator to the main character and the reader can perceive information only through the filter of a single character.