 Nyorai kupfuurira kweiyi ndima - Kupera murombo kunowedzera pakati pevaSioux uye kupfuurira kwokudarika chibvumirano kudivi reUnited States nokukurumidza kwaizotungamirira kukudeurwa kweropa. Muna 1857 boka revaSioux rakatsauka rakatungamirwa nemukuru wehondo Inkpaduta rakarwisa nharaunda yeSpirit Lake, Iowa pedyo nemuganhu weMinnesota kuuraya pakati pe35 ne40 vachena vanogara chiitiko ichi chaizodaidzwa seMweya Lake Massacre. Ivo vakapfuurira kurwisa Springfield, Minnesota Jackson wazvino uno vachiuraya vanomwe vasati vadzoswa. Muna 1862, mapoka evaSioux akatanga Hondo yeDakotaIkoko vakakundwa. Kunze kwaavo vakaurawa muhondo, 38 vaDakota Sioux vakaurawa mukuurawa kwavazhinji muMankato, kuurawa kwavazhinji kukuru zvikurusa munhau yeU.S. Mamwe mazana evaSioux navagari vakaurawa muNyika yeMinnesota yakatevera kuparadza rudzi rweSioux muMinnesota neDakota Territory itsva. 