War has accompanied humanity from its earliest settlements to the nuclear age. It has destroyed civilisations and created empires, inspired art and innovation, and inflicted untold suffering. To make sense of war is to confront this paradox: war is both a destructive force and a structuring element of political life.

The trilogy insists on a crucial distinction. War is a political act – the organised use of violence to alter a political balance. Warfare, by contrast, is the practice of fighting: its weapons, logistics, and tactics. To blur that distinction is to lose sight of war’s defining logic. Military history too often reduces conflict to battlefield manoeuvres, neglecting the political purposes for which lives are sacrificed.

War cannot be abolished by sentiment, treaties, or technology, but only by comprehension. To make sense of war is to grasp its political essence – the moment when diplomacy fails, or domestic politics prevail, and coercion begins. Each volume follows this thread. About War defines the nature of conflict; War in Context explores how states, societies, and ideologies shape its conduct; War after Ukraine asks whether peace is possible in a world that still mistakes deterrence for security.

Clausewitz’s dictum – that war is ‘…a continuation of politics with the addition of other means’… – remains the foundation, deepened by Thucydides’ enduring trinity of Fear, Interest, and Honour. Military success is meaningless without durable settlement: Versailles sowed catastrophe; Afghanistan exposed the futility of victory without resolution.

Technology alters warfare’s character but not war’s nature. Nuclear weapons, drones, and artificial intelligence change its methods, not its meaning. Strategy must link politics to force, yet victory is worthless without peace – and peace hollow without justice.

This trilogy’s philosophical aim is therefore moral as well as analytical – to illuminate the causes the continuities of war so that the search for peace may rest, not on hope but on knowledge and understanding.