One of these caudillos, Guayaquil's Guillermo Franco, signed the Treaty of Mapasingue, ceding the southern provinces of Ecuador to an occupying Peruvian army led by General Ramón Castilla.
En af disse caudillos, Guayaquils Guillermo Franco, underskrev overenskommelsen i Mapasingue, hvilken gav Ecuadors sydlige provinser til en okkuperende peruansk armé under ledelse af general Ramón Castilla.