Pedzisa mutsara unotevera: Gavhuna weBuenos Aires Juan Manuel de Rosas akashandisa simba rinokura pamusoro penyika yose munguva yeHurumende yake ya1835-1852 uye akaramba kupandukira kweUnited States, asi pakupedzisira akaiswa pasi
Vakakundwa muna 1852 neuto rakabatanidzwa rakaunganidzwa naEntre Ríos Federalist Gavhuna Justo José de Urquiza, uyo akapomera Rosas kuti haatevedzere zviga zveFederal Pact zveNational Constitution. Muna 1853, Federal Constitution yakagadzwa (Bumbiro reArgentina razvino, kuburikidza nekugadziriswa) uye Urquiza akasarudzwa Mutungamiri weArgentina Confederation. Zvisinei, pashure peHondo yeCaseros ya1852, Dunhu reBuenos Aires rakanga rabuda muConfederation. Muna 1859, pashure peHondo yeCepeda State yeBuenos Aires yakabatanazve neConfederation, kunyange zvazvo yakapiwa kodzero yokuita zvimwe zvinogadziridzwa kuMutemo wayo. Pakupedzisira, pashure peHondo yePavón ya1861, Buenos Aires yakatora Confederation.