 Although he was not prominently involved in the May Revolution that deposed Cisneros , he was appointed as secretary of war of the new government , the Primera Junta . Along with Juan José Castelli , he promoted harsh policies against the supporters of the former government and the strengthening of the new one . These policies were detailed at a secret document , the Operations plan ; some historians dispute its authorship . Moreno organized military campaigns to Paraguay and Upper Peru , and ensured the execution of Santiago de Liniers after the defeat of his counter @-@ revolution . He established the first Argentine newspaper , La Gazeta de Buenos Ayres , and translated Jean @-@ Jacques Rousseau 's The Social Contract into Spanish . 
