Introduction -- Coordinates of a Marxist theory of political action -- Notes on the Gramscian concept of subaltern classes -- Subalternity, antagonism, and autonomy -- Antagonism as principle -- Subalternisation and passive revolution -- Methodological questions : conceptualisation and operationalisation -- Uses, omissions, and distortions in the concept of passive revolution in Latin America -- The end of progressive hegemony and the regressive turn in Latin America : the end of a cycle -- Post-progressivism and emancipatory horizons in Latin America -- Afterword : the political subjectivation of social movements.