Pedzisa mutsara unotevera: Hondo yeCepeda ya1820, yakarwiwa pakati pevaCentralist nevaFederalist, yakaguma "nomugumo wokutonga kwoMutungamiriri Mukuru". Muna 1826 Buenos Aires yakadzika imwe bumbiro remitemo repakati, naBernardino Rivadavia akagadzwa kuva purezidhendi wokutanga wenyika. Zvisinei, mapurovhinzi omukati nokukurumidza akamukira, akamumanikidza kurega basa uye akarasa bumbiro remitemo. MaCentralist nemaFederalist vakatangazve hondo yevagari vemo; vekupedzisira vakakunda ndokuumba Argentine Confederation muna 1831, inotungamirwa naJuan Manuel de Rosas. Munguva yehutongi hwake akatarisana neFrance (1838-1840), Hondo yeConfederation (1836-1839), uye kubatana kweAnglo-French blockade (1845-1850), asi akaramba asina kukundwa uye akadzivirira kurasikirwa kwenzvimbo yenyika. Mitemo yake yokurambidza kutengeserana, zvisinei, yakatsamwisa mapurovhinzi omukati uye muna 1852 Justo José de Urquiza, mumwe mutongi ane simba,
kumubvisa masimba. Somutungamiri mutsva weConfederation, Urquiza akagadza Bumbiro reMutemo ra1853 raiva nerusununguko uye rehurumende. Buenos Aires yakabuda asi yakamanikidzwa kudzokera muConfederation mushure mokukundwa mu1859 Hondo yeCepeda.