 Nyorai kupfuurira kweiyi ndima - Muna 1825, Uruguay yakawana rusununguko rwayo pashure peHondo yeCisplatine. Nokukurumidza pashure pacho, marudzi ose ari maviri akaumba ukama hwokukurukurirana. Muna March 1838, France yakavhara Río de la Plata kwemakore mavirimukurwisana neArgentina mukati meHondo yeConfederation. Muna 1839, Hondo yevagari vemo yeUruguay yakatanga. Kubva pakutanga, France yakatsvaka masimba akabatana kuti arwe naGavhuna weBuenos Aires, Juan Manuel de Rosas, nokuda kwavo. Nokuda kwechinangwa ichi vaFrench vakatsigira Mutungamiri weUruguay Fructuoso Rivera uye vakamubatsira kukunda Mutungamiri weMutemo Manuel Oribe, uyo akanga ane ukama hwakanaka naGavhuna Rosas. Pana 24 October 1838, Manuel Oribe akasiya basa ndokutizira kuBuenos Aires, uye Fructuoso Rivera akatora simba. Pakupera kwezana ramakore rechi19, nzanga yechiFrench yaimirira chinenge chikamu chimwe muzvitatu chavagari veUruguay, vazhinji vacho vaibva kuFrance Basque Country neBearn Province. 