Bangladesh, April 27 -- In the heat of the 2016 Brexit referendum, Brexiteers sold voters on a bold vision: that the United Kingdom, once free from the shackles of the European Union, would become a global buccaneer-an agile, sovereign power charting an independent course on the world stage. Yet for years after the vote, reality painted a far more muted picture. A succession of governments-rocked by political instability, COVID-19 disruptions, and a lack of coherent foreign policy direction-failed to live up to those early promises.

Fast forward to 2025, however, and there are emerging signs that the UK is finally beginning to realize some of its post-Brexit potential. At the center of this awakening is Prime Minister Keir Starmer, whose...