Editorial because you can be biased at weather the news or a recap
The answer is:
C) to foreshadow tragedy
The writers usually writte about past actions and situations that the characters live are useful to give an idea of the way life treats our characters and how their fortune is set, in this way talking about past tragedies can foreshadow tragedy in the future.
Vreeland is discussing the importance of research in fiction writing. She says that research gives direction and depth to fiction.
