The massacre took place in a state that these people called Deseret, where they fled after being driven out of Illinois and Missouri.
A military expedition against these people became known as "Buchanan's Blunder" and was led by Albert Sidney Johnston. That expedition came after some of these people allied with the Paiute (pie-YOO-tay) Indians to perpetrate the Mountain Meadows Massacre. The massacre took place in a state that these people called Deseret, where they fled after being driven out of Illinois and Missouri. For 10 points, name this religious group which inspired the enmity of eastern Americans for their practice of polygamy, and fled to Utah after the death of their founder, Joseph Smith.
A military expedition against these people became known as "Buchanan's Blunder" and was led by Albert Sidney Johnston.
{Mormons} [or {LDS}; or {Church} of {Jesus Christ} of {Latter}-{Day Saints}]