Mormon settlement techniques of the Salt Lake Valley the Saints decided to leave once more. They migrated from the Midwest to the Salt Lake Valley, under the leadership of their new leader, Brigham Young. The driving force in the settlement of the Salt Lake Valley was undoubtedly the Church of Jesus Christ of Latter-day Saints, and most of the people living there were members of the church. This group was familiar with establishing towns, where they all lived and worked together, and promoted the concept of Zion. The motivation for Mormon migration was not wealth or fame, but religion. Since its earliest days, missionary work had been a
Salt Lake City its capital city. Great Salt Lake City replaced Fillmore as the territorial capital in 1858, and the name was later abbreviated to Salt Lake City. The city's population continued to swell with an influx of converts to The Church of Jesus Christ of Latter-day Saints and Gold Rush gold seekers, making it one of the most populous cities in the American Old West. Explorer, ethnologist, and author Richard Francis Burton traveled by coach in the summer of 1860 to document life in Great Salt Lake City. He was granted unprecedented access during his three-week visit, including audiences with President Brigham