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 Council Hall the first of six mayors that would use the building. The People's Party would control Mayor's office until 1890 when the Liberal Party (territorial non-Mormon party) gained control of city government, partially because of anti-polygamy legislation which barred many Mormon polygamists from holding office. Six rooms on the first floor housed the mayor's office and other city departments. From 1866 until the completion of the Salt Lake City and County Building in 1894, the City Hall was the seat of Salt Lake City Government and meeting place for the Utah Territorial legislature. The Rose Room on the second floor served