Mezue ahịrịokwu na-esonụ: Vélez Sarsfield jikọtara onwe ya na General Bartolomé Mitre, onye nkwado siri ike nke ọdịmma Buenos Aires, na-esote Rosas '
kwatuo, ma jee ozi dị ka onye ndụmọdụ Mitre na mmegide ya na San Nicolás Agreement nke 1852 (nke Buenos Aires jụrụ). Mgbe mpaghara ahụ gbasịrị, Vélez Sarsfield dere Iwu nke steeti Buenos Aires nke 1854 maka Gọvanọ Pastor Obligado. Mmeri nke mpaghara ahụ na Agha Cepeda rụpụtara na njikọta ya na Argentina, nke Vélez Sarsfield nyere aka mepụta usoro ndozi achọrọ na Iwu Argentine.