Kammala jumla mai zuwa: Koyaya, Tarayyar ta haifar da juriya tsakanin ƙungiyoyi da yawa a cikin ƙasashen biyu waɗanda suka ƙi yarda da narkar da asalin ƙasa da ƙasashe maƙwabta. Yawancin 'yan siyasar Peru da suka yi adawa da ra'ayin Tarayyar sun gudu zuwa Chile, inda suka sami goyon baya kuma wannan ya haifar da
Yaƙin Confederation Chile ta ayyana yaƙi a ranar 28 ga Disamba, 1836, kuma Argentina ta bi sahu a ranar 9 ga Mayu, 1837. Rundunar sojan Chile da ke kan Santa Cruz, karkashin jagorancin Admiral Manuel Blanco Encalada, ta gaza kuma dole ne ta mika wuya ga sanya hannu kan Yarjejeniyar Paucarpata, a ranar 17 ga Nuwamba, 1837.