(David Levenson/Getty Images)

A few months before the 2016 referendum, I published an article called “The Left Case for Brexit”. In it, I put forward reasons for thinking that the Labour Party might be the principal beneficiary if Britain disentangled itself from the EU, and that the Party’s official position on the issue was foolishly short-sighted. It was already abundantly clear that most of the old Social Democratic parties of Europe were in deep trouble, and the intervening eight years have simply confirmed this. It was also clear that parties of the radical Right were most likely to benefit from socialism’s decay, and we have duly witnessed their steady rise in France, Italy, Sweden and even Germany.
The most perceptive commentators on this phenomenon, such as Wolfgang Streeck, understood that this Continent-wide failure of the Left was in large part the consequence of the straitjacket in which European politics operated — a straitjacket created above all by the economic policies built into the constitutional structures of the EU which made, for example, renationalisation of utilities, state aid to politically important industries and predictable levels of immigration virtually impossible to implement. Socialist politicians had everywhere been reduced to claiming merely that they would be more efficient managers of late-capitalist economies than their competitors, and in the process had become indistinguishable from the various rival politicians on the centre-right.
This was pretty thin gruel to offer their electorates, particularly as the global financial crisis of 2007-8, the European bond crisis of 2008-9, and the thousands of immigrants dying each year in the Mediterranean all conveyed an urgent sense that something way beyond managerialism was required. In these circumstances, the voters’ rejection of the old Left parties came as no surprise, and there was no reason in 2016 to think that, if Britain stayed in the EU, the Labour Party would miraculously avoid the fate of its continental counterparts. As Captain Shotover says in Shaw’s Heartbreak House when the bombs of a European War begin to fall: “Do you think the laws of God will be suspended in favour of England because you were born in it?”
This was the general reason to think that departure from the EU might at least give the Left a chance to recover its old position in British politics, if it were bold enough. But there was another more parochial reason, to do with the relationship between Scotland and England.
In the past, when there was a close election (as in 1964 and February and October 1974), a Labour government at Westminster could have a minority of English seats but secure a majority through its reliable base in Scotland. But for the past decade or so, since the rise of the SNP, Labour has effectively had a permanent reduction of 40 seats in its representation at Westminster, compared with previous elections; if, for instance, it had secured as many seats in Scotland in 2017 as it had as recently as 2010, it could have been within striking distance of forming a government.
But what has seldom been appreciated is that the rise of the SNP was intimately bound up with Britain’s membership of the EU: as soon as the SNP dropped its old hostility to the European Union in the mid-Eighties and adopted the stance of “independence within Europe”, it began the climb to its dominance of Scottish politics. The logic behind this was perfectly clear: independence for Scotland if both England and Scotland remained in the EU was virtually costless, since almost everything guaranteed by the Act of Union — above all an integrated economy for the two nations with no trade barriers — would also be guaranteed by the EU treaties. The only stumbling block might have been the currency, but that was unlikely to dissuade Scots at some point from voting for independence, knowing that much of their old life would continue unchanged.
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