 Juventud Carlista branch was set up at unspecified time in Madrid; since 1903 the organization operated in Barcelona and proved particularly dynamic in the urban Catalan milieu.It soon turned out that Catalonia in general and Barcelona in particular by far outpaced other regions in terms of mobilization of Carlist youth.At that time the region was rapidly undergoing massive social transformation, turning from a mountainous rural area to a region dominated by the industrialized, urban coastal belt; profound social changes proved fertile soil for the growth of new urban phenomena.