The platform has its origins in the new social and political movements that emerged in the wake of the Spanish economic crisis and the 15M protests [REF].
From its launch, Barcelona en Comú entered into discussions with local political parties including the Citizen Network X Party, Podemos Barcelona, ICV-EUiA, Procés Constituent, Equo, and the Trobada Popular Municipalista of the CUP to explore the possibility of creating a joint electoral list at the 2015 Barcelona elections [REF].