The study of political participation in Latin America has, until very recently, been too narrowly conceived by social scientists, focusing largely on elites and violence. The former is illustrated by studies of the military (Lieuwen, 1961, 1966; Johnson, 1964; Horowitz, 1967; Fagen and Cornelius, 1970; Schmitter, 1973), the Church (Dillon Soares, 1967; Solari, 1967; Petersen, 1970; Suchlicki, 1972), industrialists (Cardoso, 1967; Polit, 1968; Petras and Cook, 1973), and large landholders (Whetten, 1948; Carroll, 1966; Feder, 1971; Cockroft, 1972). Attention to violent forms of political participation is found in studies of revolution and the military coup d'état (Payne, 1965; Needler, 1968; Von Lazar and Kaufman, 1969; Moreno and Mitrani, 1971; Kohl and Litt, 1974). Those studies that have centered on nonviolent mass participation (Horowitz, 1970) have generally been limited to elections (for example, Martz, 1967; Petras, 1970), political parties (Fitzgibbon, 1957; Ciria, 1974), and labor unions (Payne, 1965; Angell, 1972; Erickson et al., 1974). As a result of the narrowness of these approaches, we have only a partial image of the faces of the Latin American citizen political activity; we have underestimated the scope of such activity and have failed to investigate its many forms.