Original sentence: Mormons teach that one such apostasy occurred after the death of Saint Peter and the other original twelve apostles, and that the calling of Joseph Smith, Jr.Mormons teach that the "gospel" has existed since the days of Adam and Eve, and that throughout history a series of "apostasies" have occurred always followed by a "restoration"
Edited sentence: Mormons claim that one such apostasy occurred after the death of Saint Peter and the other original twelve apostles, and that the calling of Joseph Smith, Jr.Mormons claim that the "gospel" has existed since the days of Adam and Eve, and that throughout history a series of "apostasies" have occurred always followed by a "restoration"