This point that interests in them, for the vacariano sociologist does not have deep antagonisms of classrooms in Brazil of years 1920, then the Revolution of 1930 would not have been commanded for the middle classes, if the crisis appears of the popular layers, Faoro evidences that these do not have to be able enough stop to take the front a revolutionary project, therefore the people would be so only a democratic or socialist inert and extinguished mass that more served as brake for aspirations of what as one estopim, the people would not assume its historical role, representing yes ' ' a parasite of the Estado' '. 1930 were an event that appeared from the oligarchical disagreements, these capable ones to take the front a revolutionary project, since they would be the greaters interested for the economic stabilization and conquests of parcels of external market, in such a way, Faoro discarded the thesis of the action of the tenentistas in 1930 as class representative one. For it, the military would have a paper much more conservative whom revolutionary, its desire age of centralization politics, Pansardi (2002), thus, she indicates that, the blow was not given in benefit of no classroom and yes, in benefit of the proper State and, for consequence, for its leading estamento. This State acted as parasite of the social classrooms, made a pendular movement, looking for to assure its domain, searching financial resources to its expansion. Thus it preferred more the speculator classrooms that the productive ones, the development that it searched was not of the nation and yes of proper itself. (PANSARDI, 2002:160) Considering the displayed one above he is that we will understand the work Edgar De Decca (2004), 1930, the silence of the loosers: memory, history and revolution, presented initially for defense of its thesis of doutoramento in the Unicamp in 1979.