How does Mrs. Mallard's death in the conclusion contribute to the story's overall meaning

On their way home, what do claudia and jamie decide to do? a. visit the museum every week with mrs. frankweiler and make more discoveries about the exhibits b. tell saxonberg about the mystery behind the angel statue and give the sketch to the museum c. introduce mrs. frankweiler to their parents and tell her that they have adopted her as their grandmother d. visit mrs. frankweiler as often as they can and adopt her as their grandmother

Why would be a good national slogan that people could identify with and rally behind

When zhang qin went to explore west, he brought back stories of