Buuxi weedha soo socota: Markab dagaal oo cusub oo horay loo dhisay,, ayaa lagu amray barnaamijka dhismaha cusub ee 1889. Dagaalkii Sokeeye ee Chile ee 1891 wuxuu jabiyay labada laamood ee ciidamada qalabka sida ee Chile, halka inta badan ciidamada badda ay taageereen dhinaca Congress-ka, inta badan ciidanka Chile waxay daacad u ahaayeen José Manuel Balmaceda. Markii aqlabiyadda shirweynaha qaranku ay xiriirka u jareen dowladda, Jorge Montt wuxuu gacanta ku dhigay maraakiibta Valparaíso iyo siyaasiyiin caan ah, sida Ramón Barros Luco, oo saaran, maraakiibta waxay u dhoofeen waqooyiga ilaa aagga nitrate-ka hodanka ah ee Tarapacá, oo Chile ay ka qabsatay Peru 10 sano ka hor. Waqtigaas, Tarapacá waxay ahayd gobolka ugu qanisan Chile marka loo eego khayraadka dabiiciga ah waxayna ahayd iyada oo aan la helin ciidanka badda ee Chile. Laga soo bilaabo halkaan, ciidamada badda waxay abaabuleen ciidan ka kooban macdan qodayaasha nitrate-ka, kuwaasoo ay hubeeyeen kuna tababareen inay la dagaalamaan 40,000 oo askari oo ka tirsan ciidamada Chile. Bishii Agoosto 1891, ciidanka cusub waxay ka soo degeen Quintero waxayna ka adkaadeen ciidanka Chile ee
Dagaalkii Concón iyo Dagaalkii Placilla ka hor inta uusan jabhaddii madaxweynaha kala tagin oo kooxdii Congress-ka ay xukunka qabsadeen. Doorashadii Oktoobar 1891, Jorge Montt ayaa loo doortay madaxweyne.