Nyorai kupfuurira kweiyi ndima - Bumbiro remutemo ra1853 rakagadziridzwa pakarepo mushure meHondo yeCaseros
, iyo yakaona kukundwa kwaRosas, uyo akabata kutonga kwezvematongerwe enyika muBuenos Aires kwemakore makumi maviri. Kuchinja kwemamiriro ezvinhu ezvematongerwe enyika kwakaita kuti Justo José de Urquiza atarisire zvinhu zvenyika. Musi waApril 6, 1852, Urquiza akaita musangano nemagavhuna Vicente López y Planes weBuenos Aires, Juan Pujol weCorrientes, uye nhume dzeSanta Fe, uko kwakasarudzwa kudaidza Constitutional Congress pasi pemitemo yeFederal Pact ya1831. Chisarudzo chokuvhura kokorodzano muna August wegore rakatevera chakaziviswa kumamwe mapurovhinzi.