In this excerpt, the author shows how terrible conditions can cause people to be unsympathetic to the pain of others. How does the memoir genre enable the author to achieve this purpose? He is able to include facts to support his story. He is able to remain objective about what is happening. He is able to share his observations about one event in depth. He is able to provide an in-depth look about why the woman is shouting.

Read the excerpt from chapter 2 of Night. And so an hour or two passed. Another scream jolted us. The woman had broken free of her bonds and was shouting louder than before: "Look at the fire! Look at the flames! Flames everywhere . . .” Once again, the young men bound and gagged her. When they actually struck her, people shouted their approval: "Keep her quiet! Make that madwoman shut up. She’s not the only one here . . .” She received several blows to the head, blows that could have been lethal. Her son was clinging desperately to her, not uttering a word. He was no longer crying.

. He is able to share his observations about one event in depth

Explanation:

Given that A memoir is a biographical writing that consist of various memories about a real life person, instead of fiction. It is actually established on factual incident, written from the perception of the author.

Hence, with the memoir genre the author was able to show how terrible conditions can cause people to be unsympathetic to the pain of others, by providing the enormous details that are factual about the incident. He was able to give such extensive details through his observations about the event.

Therefore, the correct answer is "He is able to share his observations about one event in depth."

an expression designed to call something to mind without mentioning it explicitly; an indirect or passing reference.