 Nyorai kupfuurira kweiyi ndima - Kurwisana pamusoro pokuva nenyika pakati pevaIndia navaAmerican vanogara ikoko kwakatungamirira vaAmerica muna 1855, nezvibvumirano paWalla Walla Council, kumanikidza kwete Cayuse chete, asiwo Walla Walla uye madzinza eUmatilla, kuUmatilla Indian Reservation kuchamhembe kwakadziva kumabvazuva kweOregon; mamwe mapoka gumi nemana emadzinza kuYakama Indian Reservation kumaodzanyemba kweWashington State; uye Nez Perce kunzvimbo yemuganhu yeWashington, Oregon neIdaho. Gore iroro chairo, ndarama yakawanwa munzvimbo yakanga ichangobva kuvakwa yeYakama uye vacheri vechichena vakapinda munyika idzi. Madzinza acho - kutanga vaYakama, pakupedzisira akabatanidzwa navaWalla Walla navaCayuse - akabatana pamwe chete kuti arwe navaAmerica mune inonzi Hondo yeYakima. U.S. Army yakatumira mauto uye kudenha kwakawanda nokurwa kwakaitika. Muna 1858, vokuAmerica, paHondo yeFour Lakes, vakakurira vaIndia zvinobudirira. Muchibvumirano chaichangobva kuiswa, madzinza akanga, zvakare, akaganhurirwa kunzvimbo dzakarongwa. 