Which group of Native American tribes have roots in the Oneota?
Sioux The Sioux also known as Dakota, are groups of Native American tribes and First Nations peoples in North America. The term can refer to any ethnic group within the Great Sioux Nation or to any of the nation's many language dialects. The Sioux comprise three major divisions based on language divisions: the Dakota, Lakota, and Nakota.
Fort Belknap Indian Reservation The Fort Belknap Indian Reservation is shared by two Native American tribes, the A'aninin ("Gros Ventre") and the Nakota ("Assiniboine"). The reservation covers 1,014.064 sqmi , and is located in north central Montana. The total area includes the main portion of their homeland, as well as off-reservation trust land. The tribes reported a total of 2,851 enrolled members in 2010. The largest city on the reservation is Fort Belknap Agency, at the reservation's north end. This is just south of the city of Harlem across the Milk River.