 Ramba uchiverenga ndima iyi - France yakaedza kuvhara Río de la Plata munguva yeHondo yeConfederation, ichiedza kubvisa Juan Manuel de Rosas pachigaro. Kuvharirwa kwakatora mamwe makore akati wandei mushure mekukundwa kwePeru-Bolivian Confederation neArgentina neChile. France yaizoedza kumwe kuvharirwa, nguva ino yakabatana neBritain, asi Rosas akaikundawo. 