Tuhia he tomokanga mo tenei waahanga - I te wa i whakapuaki a General Justo José de Urquiza ki te rangatira rangatira a Rosas i te tau 1851, me te tono kia whakatinanahia he kaupapa ture a motu, i te tuatahi i tautoko a Benavídez ki a Rosas ka tohua hei rangatira hoia o te hauauru. I muri i te Pakanga o Caseros
(3 Hui-tanguru 1852), i piri a Benavídez ki te take a Urquiza, ka whakaae ki te Whakaaetanga o San Nicolás i te 31 o Mei 1852.