[I]t was the inner elite (the general staff) of one of the most caste-bound and privileged officer corps in Europe—the Prussian—that was the first to succumb to the new world of industrial change, and transform itself into a group of "industrial" managers and technicians... Railway transport, swift mobilization, and new equipment called for a high degree of technical skill and competence. Education and intelligence in conscripts required the same attributes in officers. Above all, the Prussian army, in the era of Moltke, Roon, and Bismarck, was the key to Prussian unification of Germany; neither the officer corps nor the nation could afford it to be less than efficient and modern. By 1870 the revolution was almost complete; the first European army of the modern era had been seen in action in three swift wars.

The war embraced infinitely complex elements and motives. The most important single one of those elements was the struggle for power in Europe, and the world. Between 1870 and 1914 Britain and France had been stagnant and declining in comparative industrial vigour. They nevertheless owned great territories and enjoyed vast traditional overseas markets. Germany...had been comfortably and steadily taking over the markets before 1914; she would have liked the possessions as well. No wonder France and Britain had been so much in favour of defending the political status quo. Yet, as the endless surges and recessions of power throughout history indicate, a fixed status quo is an absurdity because static. The problem of the world of nation states before 1914 was the eternal problem of continually adjusting political structure so that it always fits and expresses the reality of power.

Two things caused the decadence of British maritime power: the long peaceful supremacy after Trafalgar and the capture of the navy by that hierarchy of birth and class that controlled so many of Britain's national institutions. Drawing most of its officers from 1 per cent of the nation, the Royal Navy never tapped that great reservoir of urban middle-class talent that made Scheer's fleet so well-educated and so intelligent... The navy reflected social rather than functional values, preoccupation with tradition rather than technology... It was a tragedy for Britain that the aristocracy and gentry had never been cut off from the national life, as had largely happened in France... [T]he social and intellectual values of industrial society never ousted those of the aristocracy. The richer Victorian England became, the more ashamed in a deep sense did she become of the technological origin of those riches. The engineer and the businessman have never been as "respectable" in Britain as in Germany or America... [I]n the world after 1870, when Britain faced the technical challenges of the more complex phase of the industrial revolution and the commercial challenge of foreign competition, the leadership of the country was in the hands of the social group least likely (because of its wealth and privilege) to be aware of the challenges and to respond to them. From 1870 to 1914 Britain was decadent because a decadent ruling social group and decadent (non-functional) values had captured or corrupted the forces of technological and social change.

For the British...Jutland has a much deeper significance, for it was in fact a defeat for British technology. More than that, as with the French at Crécy and Sedan, a social system had been exposed by battle as decadent and uncreative. Jutland proves that already in 1914, when Britain and her empire had never seemed richer, more powerful, more technologically able, dry rot was crumbling the inner structure of the vast mansion. Jutland proves that the spectacular collapse of British power and British industrial vigour after 1945 was not a sudden disaster due, as comforting legend has it, to the sale of overseas investments in 1914–18 and 1939–45, but the final acute phase of seventy years of decline. For the principal armed service of a country—in its professional attitudes, its equipment, its officer corps—is an extension, a reflection, of that country's whole society, and especially of its dominating groups.

The mistake was enshrined in the preamble to the first German Navy Bill of 1900, by which the new High Seas Fleet was to be big enough to constitute a provocation and a worry to the British, but not big enough to defeat the Royal Navy. The Germans thus drove the British into alliance with their enemies without as a compensation being able to defend German overseas colonies and trade... The basic truth about the High Seas Fleet was that it should never have been built.