 When the Junta achieved the first military victories , President Cornelio Saavedra opposed Moreno , favoring moderate policies instead . Allied with Gregorio Funes , Saavedra expanded the number of members of the Junta to leave <unk> in a minority . With disputes still going on , Moreno was appointed to a diplomatic mission to Britain , but died at sea on the way there . His brother Manuel Moreno alleged that he was poisoned . His supporters were still an influential political party for some years after his death . Historians hold several perspectives about the role and historical significance of Moreno , from hagiography to repudiation . He is considered the precursor of Argentine journalism . 
