Alma 18:38

and he also rehearsed unto them concerning the rebellions of Laman and Lemuel, and the sons of Ishmael, yea, all their rebellions did he relate unto them; and he expounded unto them all the records and Scriptures, from the time that Lehi left Jerusalem, down to the present time;

He also told them about the rebellions of Laman and Lemuel and the sons of Ishmael. He told them about all their rebellions. He explained to them all the records and Scriptures from the time that Lehi left Jerusalem down to the present time.