Moroni knew about the satanical forces that would try to prevent this work from coming forth in the latter days. There would be secret combinations and works of darkness. As the Saints of the latter days were driven from Kirtland to Missouri and from Missouri to Nauvoo and from Nauvoo to the Rocky Mountains -- with 6,000 men, women and children being buried on the plains -- they learned the cruel and literal reality of Moroni's words.