Is it ethical to take someone's life in order to save your own?

Does anyone know the answers to these two? i don’t want to have to guess, you!

What is the significance of the novel's title? what is the "sweet hereafter"? a). a place you go after a tragedy takes your life b). a beautiful place the dead go, like heaven c). into the sunset, an ending that is not defined d). a dark sad place the dead go before rebirth

Which best describes the suspense technique of flashback? an image, color, object, or similar is shown early in the film. it later reappears in a pivotal scene or plot point. details of the story outside of the chronological storyline are provided to the audience, often as a memory. illusions of explosions and other events are presented, often using computer-generated imagery to seem realistic. the screenwriter lets the audience know something the main character does not, usually something important to the plot.