The most useful piece of context to have in order to evaluate the events in this excerpt would be knowing whether it was common in this culture for mothers to choose wives for their sons.
This context is crucial because the dynamics between Chên’s mother and Miss Wang suggest that Chên’s mother is interested in matchmaking for her son. Understanding cultural norms regarding parental involvement in marriage decisions would provide insight into the motivations and societal expectations that inform the events in the excerpt.