7 February 2026

How might a functional ‘M12’ grouping of middle powers look like?

Gabriel Elefteriu

As world order frays and old alliances falter, the search is on for new solutions to stabilise the international system while preserving at least some of the principles and aspects of the outgoing dispensation that have served Western powers well since the Second World War. The problem facing statesmen today is not simply practical – that is, related to the changing balance of power, especially in military terms, and the emergence of Tripolarity. An additional and perhaps more important challenge is the intellectual, or even philosophical, foundations which should underlie the next iteration of a global political architecture for peace and security.

In the modern world, at least, any such “system” requires some legitimising and organising principle at its core, in order to be viable for any significant period of time. The post-Napoleonic Vienna system was grounded in the idea of sovereign equality and restoration or preservation of traditional monarchies. After the First World War “collective security” combined with national self-determination to provide a new basis for world order, which failed. The post-1945 world introduced the UN system as a source of legitimacy, with the special authority of the veto-wielding “permanent five” members of the UN Security Council. Of course, in practical terms stability derived not from P5 consensus but from containment and nuclear deterrence – but the UN and the “international community” were a crucial factor in the political and strategic calculations of the two superpowers in an age of acute ideological confrontation.

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