集中と統一
Holding a referendum about the "political future of Catalonia" in 2014 was one of the items of the governance agreement ratified by Artur Mas from Convergence and Union (CiU) and Oriol Junqueras from Republican Left of Catalonia (ERC) on 18 December 2012, that allowed Artur Mas to be voted in as President of the Generalitat of Catalonia for a second term.