When Victor is making his way back to Switzerland with his father, and a few days before the two of them leave for Paris, Victor receives a letter from Elizabeth. Why did the author use a letter to convey Elizabeth’s thoughts and feelings in the story? Ho

When Victor is making his way back to Switzerland with his father, and a few days before the two of them leave for Paris, Victor receives a letter from Elizabeth. Why did the author use a letter to convey Elizabeth’s thoughts and feelings in the story? How does the letter influence Victor’s actions in this chapter?