Dee ihe na-aga n'ihu maka paragraf a - Otú ọ dị, na Jenụwarị 20, 1839, ndị agha na-eweghachite nke Chile Manuel Bulnes na Peruvian Agustín Gamarra nwetara mmeri nke Yungay megide Santa Cruz n'oge Agha nke Confederation
, nke mere ka njedebe nke Peru-Bolivian Confederation. Na February 14, 1839, Ọchịagha Velasco, onye isi ala ọhụrụ nke Bolivia, gwara gọvanọ Jujuy banyere ọgwụgwụ nke ọnọdụ agha ma gosi na ya dị njikere iso ya kwurịta nsogbu Tarija. Na Eprel 26, 1839, General Rosas kwụsịrị agha ahụ n'ụzọ iwu na-enweghị iji mmeri Santa Cruz merie Tarija, na-enye ha ohere ikpebi esemokwu ahụ. Ha nọgidere n'akụkụ ndị Bolivia. Ala nke Puna de Jujuy, Iruya na ndị ọzọ bi na ya bụ ndị Bolivia weghachitere na Machị 1839.