Pedzisa mutsara unotevera: France neBritain dzakarwisa Confederation yeArgentina yaitongwa naJuan Manuel de Rosas nemvura kwemakore mashanu. Yakatemerwa muna 1845 kutsigira Bato reColorado mu
Hondo yevagari vemo yeUruguay uye yakavhara Buenos Aires kutengeserana kwezvikepe. Ngarava dzezvokutengeserana dzeAnglo-French dzakapinda mumvura dzomukati meArgentina, kuti dzitengese zvinhu zvadzo, sezvo Rosas akaramba achichengetedza mutemo unodzivirira.