1. A. Privacy: a wall may separate neighbours and might need repairs but it also can help keep people's privacy.
2. D: Aphorism is a short statement of truth, opinion, insight, or good advice presented with a little bit of humor.
3. D: He did not receive his medals for acts of bravery. He received the Bronze Star because they recognized his valor for making possible for the readers to know more about the situations the soldiers faced in the war.