Main objective of this lecture is to present on why did the Mormons Manage to survive Salt Lake City. Here briefly describe on Brigham Young. It includs: Prior Planning; Mormons had faith in their leader; Organisational Skills; Setting up supply depots and workshops; No land ownership and Persuaded the U.S. Government to elect him Governor of Utah territory. Finally focus of Self Sufficiency and the Railway and Perpetual Emigrating Fund.