Brigham Young splint 1,500 Mormons into groups. Tactics: skilled groups, arranging wagons in circles at night, prioritising rest + discipline, + 1847 advance party (planning route, finding good water/grass spots, setting up quarters + improving trail) along parts of Donner's route
Between 1847 - 1869, 70,000 Mormons used the Mormon Trail. The Mormon Church owned all land, water + timber (allocated to families), dug irrigation ditches - Perpetual Emigration Fund provided resources for worldwide Mormons --> Utah