In the spring of 1832, when the Indian warrior Black Hawk and a thousand followers marched into Illinois to reoccupy lands earlier ceded to American settlers, the U.S. Army turned to rival tribes for military support. Elements of the Menominee, Dakota, Potawatomi, and Ho Chunk tribes willingly allied themselves with the United States government against their fellow Native Americans in an uncommon defense of their diverse interests. As the Black Hawk War came only two years after the passag...