This work investigates the capacity and limitations of the European Union as a coherent and influential entity within the international political system. Charlotte Bretherton, a scholar of international relations, utilizes a constructivist framework to analyze how the EU projects power, manages external relations, and navigates the complexities of global diplomacy. The text evaluates the structural constraints of the union alongside its evolving identity as a distinct actor on the world stage.

Experts frequently cite this text as a foundational resource for understanding the complexities of European foreign policy. Readers often note the academic density of the prose, which provides a rigorous examination of the EU's role in global affairs.