Economic insecurity and inequality make the governance of political societies and the international order more complex. Reallocating spending from the social commitments of the welfare state to the military budget is thus inadvisable over the long term. Instead, the welfare state should be oriented toward protecting production capacity, especially at a time when the means of production are potentially going to be revolutionized by the emergence of new technologies such as artificial intelligence.

Historically, technological change has altered how battles are fought but has not overturned the fundamental principles of war. However, three considerations may now represent an actual revolution: the recourse to tactical nuclear weapons, the development of software for “multi-domain operations,” and the prospect of general artificial intelligence. The organization of militaries and the use of force need to be rethought in this light.

It is tempting to conclude that international law’s influence is receding in a context where power struggles are in the ascendant, especially between dominant nations. But the law still carries weight: as the ultimate constraint on the use of violence, as a shared language for all human communities, and as a framework for action for those who seek to invoke it. It doubtless needs to be rethought and adapted to changes in international relationships, but without losing sight of its day-to-day importance.

The global energy system is constantly changing: rising consumption in developing countries, the growing role of electricity, vulnerabilities in supply chains, and the environmental implications of energy policy choices. The security of the system and the substantial investments required in the future can only be ensured through international cooperation, as exemplified, among other mechanisms, by the International Energy Agency.

The arms control system built during and after the Cold War is under enormous stress and is fraying at the edges. It once enabled significant improvements in international security but is in danger of not withstanding the resurgence of tensions in recent years. Urgent action is now needed to prevent the proliferation of nuclear, chemical, and biological weapons, as well as cluster bombs and anti-personnel mines.

Vikas Swarup, an Indian writer and former diplomat, is the author of four novels, including Q & A (New York: Doubleday, 2005), which has been translated into 47 languages and adapted for the screen under the title Slumdog Millionaire.

Text published in Politique étrangère, Vol. 91, No. 2, 2026.

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