Obviously, this refers to the last battles between the Lamanites and the Nephites, when the former overcame and destroyed all who would not deny the Christ. And behold the Lamanites have hunted my people, the Nephites, down from city to city and from place to place, even until they are no more; and great has been their fall; yea, great and marvelous is the destruction of my people, the Nephites (Mormon 8:7).