Caxias had obtained a series of victories in December 1868, when he went back south to take Piquissiri from the rear, capturing Itororó, Avaí, Lomas Valentinas and Angostura.
Caxias havde allerede opnået en række sejre i december 1868, da han drog sydover for at tage Piquissiri bagfra ved at tage Itororó, Avaí, Lomas Valentinas og Angostura.