Final answer:
In Alma 34:9-10, the nature of the atonement of Jesus Christ is discussed, emphasizing that Jesus suffered for the sins of all mankind and offers salvation to those who repent.
Step-by-step explanation:
In the Book of Alma in the Book of Mormon, specifically in Alma 34:9-10, the nature of the atonement of Jesus Christ is discussed. These verses state that Jesus Christ suffered for the sins of all mankind and that through His sacrifice, He offers salvation and forgiveness to those who repent and believe in Him.