Complex sentence: Feminist criticism would view the world in which Antoinette lives as a patriarchal society, with the convent where she is sent by her Aunt Cora representing a matriarchal bubble within this patriarchal world.
Split into simpler sentences: Feminist criticism would view the world in which Antoinette lives as a patriarchal society. The convent where she is sent by her Aunt Cora represents a matriarchal bubble within this patriarchal world.