B. Asserted Defintion: Assert: Forcefully state a opinion.
This would be the most likely answer, considering that she wants to talk about what she thinks should be done with the crime factor of the city.
This reveal the importance of the past, so we as the reader can understand the things happening in the present. ( so if the answer is not right I tried my best to answer it)
It suggests that Groucho believes the writer of the original letter knows as little about the city of Casa- blanca (his history is filled with absurd details) as he knows about how different the Marx Brothers' film A Night in Casablanca would be from the famous Casablanca.