Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Njem: N'ebe ọwụwa anyanwụ nke nkewa ahụ, ókèala ọhụrụ ahụ gụnyere akụkụ ọdịda anyanwụ nke ókèala Kansas, yana ụfọdụ mpaghara ndịda ọdịda anyanwụ nke ókèala Nebraska, na obere akụkụ nke ókèala ugwu ọwụwa anyanwụ New Mexico. N'akụkụ ọdịda anyanwụ nke nkewa ahụ, ókèala ahụ gụnyere ọtụtụ mpaghara ọwụwa anyanwụ Utah Territory, nke ndị Ute na Shoshoni na-achịkwa nke ọma. Ndị Cheyenne na Arapaho, nakwa ndị Pawnee, Comanche na Kiowa na-ejide Ebe Ọwụwa Anyanwụ. N'afọ 1861, ụbọchị iri tupu e guzobe ókèala ahụ, ndị Arapaho na Cheyenne kwenyere na United States ịhapụ ọtụtụ mpaghara ha n'ọhịa ka ndị ọcha biri ma e kwere ka ha biri na mpaghara ọdịnala ha buru ibu, ọ bụrụhaala na ha nwere ike ịnagide ndị na-elekọta ụlọ n'akụkụ ogige ha. Ka ọ na-erule ọgwụgwụ nke Agha Obodo America na 1865, e kpochapụrụ ọnụnọ nke ndị American Indian na High Plains.  Ajụjụ: Olee ala ndị e nwetara n'Ebe Ọwụwa Anyanwụ?
akụkụ ọdịda anyanwụ nke Kansas Territory, yana ụfọdụ ndịda ọdịda anyanwụ Nebraska Territory, na obere ngwugwu nke ugwu ọwụwa anyanwụ New Mexico Territory