Divided kingdom: How Brexit is remaking the UK's constitutional order

By On October 05, 2018

Divided kingdom: How Brexit is remaking the UK's constitutional order

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The shock of the United Kingdom’s June 2016 decision to leave the European Union has uncovered latent tensions in the constitutional arrangements between the country’s different nations and regions. The U.K.’s departure from the EU in March 2019 looks set to alter not only the EU, but also the long-standing ties that have held England, Northern Ireland, Wales, and Scotland together, argues Robert Bosch Senior Fellow Amanda Sloat in the fifth of a series of papers for the Brookings - Robert Bosch Foundation Transatlantic Initiative (BBTI).

Executive Summary

Brookings - Robert Bosch Foundation Transatlantic InitiativeIn June 2016, Br itish voters decided in a referendum to leave the European Union, though clear majorities in Northern Ireland and Scotland preferred to remain. Amid the myriad
complexities surrounding the terms of the EU-U.K. divorce, the decision has strained the U.K.’s constitutional arrangements. For example, will Scotland become independent? How would the return of a hard border on the island of Ireland affect the precarious peace there? And could Brexit affect the U.K.’s policymaking abilities and projection of unity on the international stage, given fights over where and how competences returned from the EU will be exercised in the U.K.? Although these debates can look like British navel gazing, they have practical consequences for the United States and Europe.


Amanda Sloat

Robert Bosch Senior Fellow - Foreign Policy, Center on the United States and Europe


T his paper argues that Brexit will alter not one but two unions: the European Union and the United Kingdom. It begins with an overview of the U.K.’s constitutional arrangements, outlining how power has been devolved to the country’s nations and regions. It then discusses how Brexit has challenged these structures, with a focus on Northern Ireland and Scotland. Next, it considers how political dynamics in London, Dublin, Edinburgh, and Belfast are complicating efforts to resolve these tensions. Finally, it details how Brexit will affect Northern Ireland and Scotland in political and socio-economic terms, and force U.K.-wide debates about unresolved identity issues and the nature of devolved governance.

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Brexit could jeopardize peace in Northern Irelandâ€"and America is ignoring it

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