Monday, February 12, 2024

Clausewitz's Philosophical Roots by Richard Ned Lebow



Clausewitz learned the the fundamentals of grammar, arithmetic and Latin in a provincial municipal school and was later exposed to a more sophisticated curriculum during his three years as a student at the Allgemeine Kriegsschule. In France and Berlin, he read a diverse selection of authors, including Ancillon, Fichte, Gentz, Herder, Kant, Machiavelli, Montesquieu, Johannes von Muller and Rousseau. But above all, Clausewitz read history to augment his personal experience and to discover the underlying dynamics of war.

Clausewitz lived through a particularly turbulent era of German and European history that encompassed the French Revolution, the French and Napoleonic Wars, the industrial revolution, the rise of nationalism and the counter-Enlightenment. The latter is a catchall term for a variety of movements and tendencies, including conservatism, critical philosophy, historicism, idealism, nationalism,  revivalism and holism, that developed in the late eighteenth and early nineteenth centuries, in large part in reaction to the Enlightenment.

The Enlightenment put faith in the power of reason to unlock the secrets of the universe and to deduce from first principles laws and institutions that would allow human beings to achieve their potential in just, ordered and secure societies. Counter-Enlightenment thinkers considered these expectations naïve and dangerous; they saw the world as complex, contradictory, composed of unique social entities and in a state of constant flux. They rejected the Enlightenment conception of a human being as a tabula rasa, and the mere sum of internal and external forces, as well as its emphasis on body over soul, reason over imagination and thought over the senses. They insisted on a holistic understanding that built on these dichotomies, and one, moreover, that recognized individuals and social groups as the source of action motivated by their search for expression and authenticity.

The counter-Enlightenment began in France and gained a wide audience through the writings of Rousseau. It found German spokesman in the 1770s, among them Hamann, Herder, the young Goethe, and Lavater and Moser, the dramatists of Sturm and Drang, and the Schiller of his early plays. The French Revolution of 1789, and Napoleon’s subsequent occupation of many German territories, provoked a widespread reaction to French cultural and political imperialism and to the Enlightenment more generally. In literature this found expression in the early Romanticism ( Fruhromantik) of Novalis ( Friedrich Hardenberg), the Schlegel brothers and Christian Friedrich Tieck, in religion with Friedrich Schliermacher, and in the philosophy of Johann Gottleib Fichte and, later, Georg F. W. Hegel. Clausewitz knew their writings intimately, wrote a letter to Fichte and was personally acquainted with Schlegel, Tieck and Novalis. On more than one occasion he played cards with Hegel at the home of August Heinrich von Fallersleben.

Clausewitz is often described as someone who wholeheartedly embraced the counter-Enlightenment. There are indeed many aspects of his thought that reflect and build upon counter-Enlightenment assumptions, but he owes and equal debt to the Enlightenment. Like Kant, from whom he borrowed heavily, Clausewitz straddled the Enlightenment and the German reaction to it. His life-long ambition to develop a theory of war through the application of reason to history and psychology was a quintessential Enlightenment project. His recognition that such a theory could never reduce war to a science nor guide a commander in an inherently complex and unpredictable world reflected counter-Enlightenment views, as did his emphasis on emotive forces and personality and the ability of genius to make its own rules. But, in a deeper sense, Clausewitz remained faithful to the Enlightenment. He appropriated many concepts from philosophers of the “German Movement,’ but stripped tem of their metaphysical content. He borrowed their tools of inquiry to subject was to a logical analysis, and looked beyond pure reason to a psychology of human beings to find underlying causes for their behavior.

The same duality marked Clausewitz’s political thinking; his un-reflexive nationalism and visceral hatred of France coexisted with his belief that education, economic development and good government could bring about a better world. Clausewitz’s political beliefs evolved more rapidly than his philosophical ones, and he made little effort to reconcile their contradictions. His thoughts about war were more extensive and productive. One of the remarkable features of On War is its largely successful synthesis of assumptions and methods from opposing schools of thought. In this sense too, Clausewitz follows in the footsteps of Thucydides.

Scharnhorst exercised the most direct and decisive influence of Clausewitz’s thinking and writing. He was among the leading Aufklarers [ proponents of the Enlightenment] in the Prussian service. He was born in 1765 to a retired Hanoverian non-commissioned officer and the heiress of a wealthy farmer. He entered the Hanoverian army in 1779, and later taught in a regimental school that he established. In 1782, he founded and edited the first of a series of military periodicals and wrote two widely read ‘how to’ books for officers before leaving his desk job to fight against revolutionary France. In 1801, he entered the Prussian service, and in 1806, he penned a long essay that summarized and extended his thoughts on the study of war.

Scharnhorst’s writings excelled in its detailed reconstruction of historical engagement. He believed that combat experience aside, case studies were the next best way to capture the reality of war. Scharnhorst used his cases to infer ‘correct concepts’ that could order warfare and identify its principle components in a useful way for practitioners. His two books drew extensively on his wartime experience and historical research, but he never succeeded in developing  a general theory of war. His case studies provided good evidence for his critique of mathematical systems to guide the conduct of war developed by Bulow, Dumas, Muller and Jomini.

Peter Paret observes that no military theorist of his time was as conscious as Scharnhorst of the distinction between theory and reality. His lectures at the Allgemaine Kriegsschule paid lip service to the conventional wisdom that good theory and good preparation could eliminate uncertainty and chance, but he did not for a moment believe it. In good sophistic tradition, the examples he used to pepper his lectures encouraged perceptive students to conclude that theory might be more effectively used to recognize and exploit departures from the expected. Clausewitz would develop this concept further, making surprise and chance central, positive features of his theory of war, in contrast to many earlier writers on the subject, who treated the unforeseen as an inconvenience, if the addressed it at all. Scharnhorst taught his students that geometry and trigonometry were useful for sharpening the mind, but that any theoretical understanding of warfare had to be based on history. Good history required access to reliable primary sources. This was another lesson the young Clausewitz assimilated, and many of his early writings were historical case studies. Scharnhorst also open his students’ eyes to the broader political, social and intellectual forces that influenced warfare we and determined its nature in any historical epoch. He taught Clausewitz that the distinguishing feature of the French revolutionary and Napoleonic Wars was the ability, first of France, and then the other European states, to extract greater resources and demand greater sacrifices from their populations. Survival in the modern age demands efficiency in exploiting the physical and social resources at the disposal of the state, and this requires a governing elite open to talent and merit independent of class or religious background.

Clausewitz’s early writings reveal the influence of Scharnorst, but also his ability to transcend the conceptual limitations of his mentor. These works span the years 1803-06, and consist of notes and essays on politics and strategic principles, treatments of the Thirty Years War, the Russo-Turkish War of 1736-39, a longer study of Gustavus Adolphus and a review article of one of Heinrich von Bulow’s many books on the theory of war. Clausewitz reveals an early fascination with power, and qualified acceptance of the rights of states to extend their sway as far as they can. He also emphasizes the interest, indeed the responsibility, of other states to oppose such aggrandizement – especially in the case of France – when it threatens their interest or existence. This principle was so obvious to him that he found it strange that not all statesmen conceived of foreign relations in terms of power. He nevertheless recognized real world constraints on the exercise of power, some of them impose by domestic considerations, and others the result of deliberate and wise moderation by many leaders.

Clausewitz ‘s fascination with power may have come from his reading of Machiavelli or Fredrick the Great, but it was positively Newtonian in conception. He conceived of power in terms of the latter’s Third Law: a body in motion would stay in motion until acted upon by an equal and opposite force. States could be expected to expand their power until checked by an equal and opposite political-military force. This was a law of politics, but, unlike the law of physics, it was tempered in reality by other influences that kept states from expanding as far as their power might allow, and others from checking them as their interests dictated. Paret speculates that it was a short step from Clausewitz’s formulation of power to the conception of war he developed in his mature years: that war in theory led to the extreme through a process of interactive escalation, but was constrained in practice by numerous sources of ‘friction.’ This concept too was borrowed from Newtonian physics.

 

Clausewitz’s early writings alternated between case studies and more theoretical writings, and the two were related. His case studies were theoretically informed, more so than those of his mentor, Scharnhorst. He wrote military history to explore the possibilities and limits of theory, and then refined his nascent concepts in follow-up case studies. It is apparent in retrospect that Clausewitz was trying to discover which aspects of warfare were amenable to theoretical description and which were not, and what else he would need to know to construct a universally valid theory. ‘While history may yield no formulae,’ he concluded, ‘it does provide an exercise for judgment, here as everywhere else.’ There is no evidence that Clausewitz began his research program with this insight in his mind; it seems to have developed in the course of his reading and writing.  It may even represent an unconscious effort to reconcile two distinct and otherwise antagonistic aspects of his intellect: a pragmatic bent that focused his attention on concrete issues and problems, and a desire to step back and understand issues and problems as specific instances of broader classes of phenomena.

Clausewitz’s case studies addressed campaigns, not engagements, and were more analytical than descriptive. His study of Gustavus Adolphus’s campaigns of 1630-32 was the most concrete expression of this approach. He sought to analyze the underlying causes of Swedish strategy during one phase of the Thirty Years War. He ignored the order of battle (the forces a the disposal of the two sides), and gave short shrift to individual engagements, including the Swedish victory at Breitenfeld and the battle of Lutzen in which Gustavus Adolphus lost his life. Clausewitz made clear at the outset his intention to focus on the more important ‘subjective forces,’ which include the commander’s personality, goals, abilities and his own comprehension of them. He produced what can only be escribed as a psychological study of Gustavus Adolphus, and, to a lesser extent, of his Catholic opponents; he treats the war as a clash of wills, made notable by the energy and courage of the adversaries. He concluded that the Thirty Years War lasted so long because the emotions of leaders and peoples had become so deeply engaged that nobody could accept a peace that was in everybody’s interest.

Clausewitz described Gustavus Adolphus as a man of ‘genius,’ a concept he picked up from Kant and would develop further in On War. William Tell, Wallenstein, William of Orange, Fredrick the Great, and above al, Napoleon, qualified as geniuses because they grasped new military possibilities  and changed the nature of warfare by successfully implementing them. Geniuses periodically transformed warfare, and most other social activities, and make a mockery of attempts to create static theoretical systems. The concept of genius was Clausewitz’s first step towards a systematic understanding of change. It was based on his recognition, developed more extensively in On War, that change could be both dramatic and gradual. Gradual change, in the form of improvements in armaments, logistics and tactics, was an ongoing process, the pace of which varied as a function of political organization, technology and battlefield incentives. Dramatic changes were unpredictable in timing and nature, and transformed warfare – and how people thought about warfare – in more fundamental ways. They were somewhat akin to what Thomas Kuhn would later call paradigm shifts.

Clausewitz used the findings of his psychological case studies of Gustavus Adolphus and Fredrick the Great to attack existing military theory, especially the work o Heinrich  Dietrich von Bulow. Bulow maintained that the outcome of military campaigns was determined primarily by the angle formed by two lines drawn between the perimeters of the base of operations and the objective. Victory was assured if commanders situated their base close enough to their objective  and extended their perimeters far enough to that the imaginary lines converged on the objective at an angle of a least 90 degrees. Clausewitz marshalled examples of defeat under these conditions, and of victory in cases where the angle had been less than that prescribed. He attributed both outcomes to the skill of generals ,the élan of their forces and simple good luck.

Bulow’s system reflected an eighteenth-century preference for wars of maneuver over combat, and was ridiculed by Clausewitz who insisted that war is about fighting. Strategy, he wrote, is ‘nothing without battle, for battle is the raw material with which it works, the means it employs.’ The ultimate goal of war was political: ‘to destroy one’s opponent, to terminate his political existence, or to impose conditions on him during peace negotiations.’ Either way, the immediate purpose of war become the destruction of the adversary’s military capability ‘which can be achieved by occupying his territory, depriving him of military supplies, or by destroying his army.’ Clausewitz introduced a further distinction between strategy and tactics: ‘Tactics constitute the theory of the use of armed forces in battle, strategy forms the theory of using battles for the purposes of war.” The distinction between strategy and tactics would become essential components in his later theory of war.

Bulow and Jomini built their systems around the order of battle and relative positioning of deployed forces because they were amenable to quantitative measurement. They considered quantification an essential step in transforming strategy into military science. Clausewitz insisted that science requires propositions that can be validated empirically, and was struck by how uninterested the leading military theorists of his day were in using historical, or any other kind of, evidence for this purpose. Like Scharnhorst, Clausewitz thought the study of strategy should begin with history, not with mathematics. It had to be rooted in psychology because the motives and means of war were determined by political considerations, and ultimately by intelligence, imagination And emotions. The study of strategy had ‘to move away from the tendency to rationalize to the neglected riches of the emotions and the imagination.’ It had to find a systematic way of bringing these more tangible but critical considerations into the picture, while at the same time recognizing that chance, by its very nature, would always defy conceptualization and confound prediction.  .  .  .

Clausewitz began from the assumption that social and physical phenomena were fundamentally different. The theory of physics was possible because objects are acted upon. Social actors, by contrast, are independent agents with free will, subjective understandings and independent goals, who act upon each other and their environment. Their behavior varied within and across cultures and over time; human nature might be universal but its expression was constantly in flux, Generalizations about war were also of limited utility because the outcomes of battles and campaigns were significantly influenced by ‘the courage of the commander, his self-confidence, and the effect of moral qualities. These critical but intangible qualities, and the ever-present role of chance, made a mockery of attempt to treat political or military behavior as a predictable, mechanistic exercise.


In keeping with the counter-Enlightenment emphasis on holism, Clausewitz maintained that free will was responsible for a second important distinction between the study of the physical and social worlds. In physics, he noted, it is possible to isolate and study part of the system and ignore the rest. But human action is an expression of the whole person, and is almost certain to be influenced by aspects of life different from the domain under study. Modern war is an expression of the entire society, an activity which reflects its values, and calls for contributions of one kind of another from most of its members. Unlike mathematics, it  cannot be studied apart from these disparate but critical influences. Even if generalizations were possible, they would be short-lived because of the constant evolution of warfare. So-called ‘laws’ that appear to account for eighteenth-century warfare were inapplicable to the Napoleonic period. It would be just as mistaken, Clausewitz insisted, to generalize on the basis of the Napoleonic experience because the future would assuredly different. History was the key to knowledge, but understanding of the past could not be used to predict the future. Change would come gradually, or dramatically, when men of genius exploited new possibilities.

Clausewitz was equally hostile to the opposite view, expressed most forcefully by Georg Heinrich von Berenhorst, that modern warfare  was beyond the realm of rational analysis because it was a manifestation of unknown and uncontrollable spiritual qualities that found expression through will and emotion, Clausewitz sought a middle ground, and gradually came to understand war as something which straddled science and art.

‘Rather than comparing it to art, we could more accurately compare it to commerce . . . and it is still closer to politics, which in turn may be considered as a kind of commerce on a larger scale. Politics, moreover, is the womb in which war develops – where its outlines already exist in their hidden rudimentary form, like the characteristics of living creatures in their embryos.’

Within these limits theory was possible, but not the kind of predictive theory sought by so many of Clausewitz’s contemporaries. The proper goal of social theory was to structure reality and make it more comprehensible by describing the relationship between the parts and the whole. Theory could provide the starting point for working through a problem and standards for evaluation. Theory in art, architecture or medicine – the models Clausewitz had in mind- helped to conceptualize problems, but offered little guidance in practice. An architect would learn a lot from studying the form and function of existing structure, but such knowledge would not enable him to design his own buildings. According to Clausewitz, ‘Theory is meant to educate the mind of the future commander, or, more accurately, to guide him in his self-education, not to accompany him to the battlefield, just as a wise teacher guides and stimulates a young man’s intellectual development but is careful  not to lead him by hand for the rest of his life.

From Galileo, Descartes and Newton, Enlightenment philosophers like Hume borrowed the concept of general laws that could explain concrete instances. The cause of an event was neither its purpose nor its original cause, but its immediate or ‘efficient’ cause- the event prior in time that was responsible for bringing it about. This conception encouraged quantification and the belief that everything could be described by general laws and efficient causes. To impose limits on this process would defy reason. The new physics, accordingly, encouraged the belief that everything as knowable and could be reduced to a set of mathematical laws. If al phenomena were material, there was no room for the independent mind and no foundation for ethics. The mind was either a machine or a ghost. German idealism was a reaction against both the skepticism and materialism of the Enlightenment, and an effort to reassert the centrality of human beings in the overall scheme of things. Kant’s transcendentalism sought to show that there is more to human beings that can be discovered by observation and introspection. To understand what we must be like to have the experiences we have, we must work back from experience to the structure and overall unity of the subject. The world of the subject is distinct from the external world, and motivated by will. Human beings are free  in the most radical sense; they are self-determining, not as natural beings, but through their pure, moral wills.

Radical freedom could only be achieved at the expense of man’s unity with nature. Kant introduced a division between man and nature, different from, but at least as great, as the dualism brought about by the Enlightenment from which he thought to escape. His successors, the generation of the 1790s, sought desperately to overcome this dualism while preserving the radical freedom and the potential they perceived it had to ring about spiritual transformation. They were reacting, as writers and philosophers almost always do, to external developments, and most specifically, the French Revolution. They hoped that Germany could be the midwife of a spiritual revolution that would succeed where the political revolution had failed. The revolution would pave the way for the reintegration of man and nature, and encourage the kind of creative expressiveness that had not been witnessed since fifth-century Athens. The Greeks, Schiller wrote, ‘are what we were, they are what we shall become again. Various systems towards this end were developed by Fichte, Schlegel, Schleiermacher, Schelling and Hegel.

Clausewitz was familiar with this literature, and shared the political-ethical ideals that motivated its authors. He was particularly drawn to Johann Gottlieb Fichte, because of his belief that citizens had responsibilities to society and the state which they had to fulfill in accord with their own understanding and ability. Clausewitz wrote a warm and complimentary letter to Fichte in response to an essay he published on Machiavelli in 1807. Clausewitz was not a philosopher, and made no systematic effort  to address or resolve the dualism introduced by Kant. On War can nevertheless be read as an attempt to show how this might be done in a practical, limited way in one important social domain. Its underlying conception is very close to Fichte’s ‘philosophy of striving, which assumes a self-positing and absolute ego that creates all nature, but has no physical form. The finite ego strives to attain an idea or a goal by shaping nature in accord with its rational demands. It must strive endlessly to control nature, a goal it approximates but never achieves because of the resistance nature offers. Dualism is nevertheless partially resolved because the subject gains limited control over nature. For Clausewitz, the soldier-statesman strives to impose his will on nature by making war a rational expression of his goals. But nature, in the form of ‘friction,’ resists that control, and does so in proportion to the degree that rational control is sought. The best a soldier-statesman can do is to approximate effective control, and, by doing so, create a synthesis in the form of a self-willed, enlightened but uneasy accommodation with nature.

pages 176-186


 

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