Explore the core of European Union law and Member State obligations. This insightful analysis revisits the foundations of EU membership, examining how national governments’ interests shape legal duties. Discover a new framework connecting the political reality of EU decision-making with its supranational legal application. It expertly explores the impact of diverse Member State interests on EU legislation and the Court of Justice’s jurisprudence, shedding light on territorial authority. Essential for scholars and students delving into EU integration, comparative law, and international politics, this book bridges the gap between the law and politics of Europe.