Niall Ferguson's book "The Square and the Tower" suggests that Brexit served as a precursor to the 2016 US presidential election, highlighting similarities between the two political events. In both cases, the established political powers underestimated the potential for significant upheaval, believing traditional methods and norms would continue to prevail without challenge.

This perspective indicates a shift in the political landscape, where populist and unconventional movements gained traction. It underscores the idea that both in Britain and the US, voters were ready for change, signaling a departure from established political practices and expectations, ultimately reshaping the political dynamics in both nations.