A succession crisis among these people led to the formation of the Rigdonites. The self-styled “king” James Strang (10[1])formed a community of these people on Beaver Island. These people’s challenge of the non-land grant 1862 Morrill Act led to the Supreme Court decision (-5[1])in Reynolds v. United States. These people perpetrated the Mountain Meadows Massacre (10[3])and formed the (10[1])Nauvoo Legion (10[1])when James Buchanan (10[1])sent an army against (10[1])them. These people attempted to join the Union as the State of Deseret soon after settling in (10[1])the Salt Lake Valley. For 10 points, what religious group led by Brigham Young governed the Territory of Utah? ■END■ (10[1])