sentences:  The regions with the largest CNT membership are the Centre (Madrid and surrounding area), the North (Basque country), Andalucía, Catalonia and the Balearic Islands.The CNT opposes the model of union elections and workplace committees and is critical of labor reforms and the UGT and the CCOO, standing instead on a platform of "", that is, "return of what is due", or social revolution.The CNT, owing to its interests in the radical transformation of society, has sought to make free knowledge and culture accessible to workers, a task which has been developed through the support of the anarchist academies.