Original sentence: Mormon fundamentalism most often describes splinter movements of Mormonism that believe or practice what its adherents consider the fundamental aspects of Mormonism.The LDS Church considers the word "Mormon" to apply only to its members, not to members of other sects of the Latter Day Saint movement.The mainstream LDS church began prohibiting polygamy within the U.Today, the LDS Church will excommunicate any of its members who advocate or practice plural marriage, or that actively support fundamentalist groups
Edited sentence: Mormon fundamentalism most often describes movements of Mormonism that believe or practice what its adherents consider the fundamental aspects of Mormonism as taught by Brigham Young and other early Mormon leaders.The LDS Church considers the word "Mormon" to apply only to its members, not to members of other sects of the Latter Day Saint movement who still accept and follow the teachings of early Mormon prophets.The mainstream LDS church began publicly prohibiting polygamy within the U.Today, the LDS Church will excommunicate any of its members who publicly advocate or practice plural marriage, or that actively support fundamentalist groups