Original sentence: Sidney Rigdon gathered a group of members, rebaptizing them, solidifying distinctive points of doctrine, such as rejection of polygamy, and finally forming a new church.The core group that remained in Pennsylvania denounced many doctrines such as polygamy, celestial marriage, baptism for the dead, the belief that Joseph Smith was the Choice Seer, and many others that they believed had entered into the different restoration groups after the death of Joseph Smith and the succession crisis
Edited sentence: Sidney Rigdon led away a group of members, rebaptizing them, changing points of doctrine, such as introducing polygamy, and finally forming a new church.The core group that remained in Pennsylvania denounced many of the doctrines that had, since the death of Joseph Smith and the succession, entered into the different restoration groups such as polygamy, celestial marriage, baptism for the dead, the belief that Joseph Smith was the Choice Seer, and many others