Respuesta :
The story that her grandmother tells Isabella, of the first love letter she received when she was in Cuba and how she had to flee and couldn't had a relationship with her admirer, serves as a turning point in the story. Now Isabella is determined to find the writer of the letters and not let her chance of love leak away.
Took test,
correct answer: It introduces the central conflict in the story: Isabella's quest to determine the writer of the love letters.