The European Union has evolved from a purely economic organisation to a multi-faceted entity with political, social and human rights dimensions. This has created an environment in which the concept of solidarity is gaining a more substantial role in shaping the EU legal order. This book provides both a retrospective assessment and an outlook on the future possibilities of solidarity's practical and theoretical meaning and legal enforcement in the ever-changing Union. Solidarity in EU Law examines the less explored topics of the European solidarity debate, such as the practical...