Based on the provided text from paragraph 10, here is how it aligns with the options regarding advancing the plot:
It introduces the conflict between the narrator's mother and father.
This option is valid, but it doesn't fully capture the primary conflict presented in the paragraph, which focuses more on the narrator's father feeling insulted by the class president's remarks.
It emphasizes the tension between the old and new cultures.
This statement is also applicable because the interaction highlights the contrast between the father's expectations from his past (the culture in Panamá) and the present reality he faces now that he has lived in America.
Ultimately, the best answer that captures the key plot advancement in this excerpt is:
It emphasizes the tension between the old and new cultures.
This is reflected in the father's reaction to the class president's comments, which showcases his struggle between the cultural ideals he once valued and the harsh reality of his experience as an immigrant.
This moment also leads to the decision to cancel the trip back to Panamá, making it significant for the plot’s progression.