Pedzisa mutsara unotevera: Kutonga kwaRosas kwemakore 17 kwakapesvedzerwa nehondo yenguva dzose, zvose zviri zviviri zvaibva kuvateveri vezvematongerwe enyika vakabatana nedzimwe nyika. Peru-Bolivian Confederation, yakabatana neFrance, yakazivisa Hondo yeConfederation kurwisa Argentina neChile; France yakaitsigira nekumisikidza kukomberedza kwegungwa pamusoro peBuenos Aires, iyo yakachengetedzwa kunyangwe mushure mekukundwa kwePeru-Bolivia. VaFrance vakabatsira Fructuoso Rivera kubvisa mutungamiri weUruguay Manuel Oribe pachigaro, saka Rivera akavabatsira kurwisa Rosas. France yakasiya chipingamupinyi, asi Rosas achiri kutsigira Oribe mu
Hondo yevagari vomuUruguay kuti adzorere kutonga kwake muUruguay. Kurwisana naRivera kwakatungamirira kukakavadzana kutsva neFrance, nguva ino yakabatana neBritain. Kuvharirwa kweRío de la Plata kwakaitwa neEngland neFrance kwakakundwawo. Justo José de Urquiza, gavhuna weEntre Ríos, panguva iyoyo akafunga kuti yakanga yava nguva yaidiwa neFederal Pact kuti agadzire Bumbiro, asi Rosas akanga achiri kuchengeta pfungwa yake yokuzviita pashure pokunge mapurovhinzi ose atozvironga. Nechikamu chikuru cheuto reConfederation parutivi pake, uye vamwe vavakwikwidzi, Urquiza akakunda vose uto raOribe rakanga rakomba Montevideo uye ipapo Rosas pachake, muhondo yeCaseros.