James Lacey

...SINCE THE FALL OF NAPOLEON IN 1815, OVER HALF OF ALL WARS HAVE BEEN BETWEEN ENDURING RIVALS.
Recently, over a dozen American too British historians gathered to examine the most enduring strategic rivalries too competitions over the past times 2,500 years. Their private studies were too thence analyzed to collect those mutual denominators that sufficiently withstood the essay of fourth dimension to live of usage to today’s policymakers. This analysis, built upon the locomote of political scientists, confirms that since the autumn of Napoleon inward 1815 over one-half of all wars receive got been betwixt enduring rivals. If 1 adds early on conflicts betwixt proto-rivals, that number climbs to over fourscore percent.[1]
With that many conflicts to larn from, 1 could live forgiven for believing that states could larn from each interaction how best to tamp downwardly passions too avoid farther conflicts. Nothing could live farther from the truth. In fact, the historical tape demonstrates that straight confrontations betwixt rivals, fifty-fifty if non militarized, are what generate too feed the passions that sustain an enduring rivalry.[2] Consequently, equally a rivalry matures, states almost never larn anything from electrical current or past times crises nigh how to avoid hereafter ones, or fifty-fifty methods for peacefully edging away from calamity. Rather, successive encounters drive both parties to acquire to a greater extent than belligerent too to escalate their intensity. Typically, afterwards 3 militarized engagements—short of war—it becomes nearly impossible for states to tamp downwardly public passions or the rush to war. Moreover, if a rivalry leads to a serial of wars, each novel conflict is typically of greater orbit too passion equally wars caput toward a Clausewitzian absolute.[3]

Berlin inward 1948. (Walter Sanders/Time & Life Pictures/Getty Images)
Most rivalries sustain themselves through long periods of intermittent vehement conflict, which almost e'er ascent inward intensity alongside each novel engagement. Conflicts, including close total wars (e.g., the First World War), rarely withdraw an cease to a rivalry, unless it leads to the talk subjugation or devastation of 1 side (e.g., World War II). Between these intermittent wars, passions rarely subside too competition continues. Often, a rivalry is continued purely because it is fed past times the internal posturing of 1 nation or another, equally 1 or to a greater extent than political parties inflame passions against a contender nation for political gain, or to distract the public from internal—often economic—problems.[4]
Interestingly, ideological differences betwixt states receive got non e'er proven sufficient to propel a rivalry forward. Typically, ideology solely acquire unsafe when a state’s strategic goals too positions are predominantly defined past times ideas, beliefs, too values. Sometimes this dynamic is pushed to the dot where 1 side believes ideology, equally defined past times volition too commitment, tin prevail over fabric reality. Such was the instance when Kingdom of Spain dispatched the Armada, inward “confident promise of a miracle,” or when Nippon launched a state of war against the U.S. of America inward 1941. Moreover, inward almost every historical instance examined, whenever a nation was forced to select betwixt ideology too a geopolitical imperative, ideology was cast aside.
Once an enduring rivalry is underway, the most reliable indicator of when a conflict volition erupt is when 1 or both sides recognizes a existent or perceived shift inward the relative alignment of economical too armed forces power. In fact, such perceptions, when measured statistically against other causes of conflict, double the jeopardy of war, equally states that persuasion the relative powerfulness alignment moving against them are much to a greater extent than inclined to whorl the die on a preemptive conflict than they are when the powerfulness status quo is stable. For instance, many scholars receive got made the instance that the First World War began inward 1914 because all of Europe’s bully powers felt their relative power—as compared to Europe’s other bully states—was on the wane.[5] As such, many statesmen, sure that state of war was inevitable over the longer term, believed their best jeopardy for victory was inward 1914.

Photo of the High German High Seas Fleet, belike earlier World War I. H5N1 fellow member of the Braunschweig bird leads the line. (Wikimedia)
Power shifts betwixt states are ofttimes sufficient argue to start a rivalry where previously none had existed. In these cases, states that brand a motility toward parity inward a armed forces domain dominated past times some other nation are historically the most probable to drive an international realignment.[6] The best recent historical illustration of this effect was Germany’s plow of the century drive to construct a fleet capable of challenging Great Britain’s. In this case, a unmarried High German policy alternative ended an Anglo-French enmity that had lasted over 800 years too turned the British Empire’s total attending to the High German threat. Worse, when state of war came, the expensive High German fleet proved almost useless. If Deutschland had invested the toll of its high seas fleet into edifice several additional Earth forces corps it belike could receive got avoided British ire, too built a sufficient forcefulness to brand the Schlieffen Planworkable. H5N1 scholar would receive got to search a long fourth dimension to observe some other illustration of geopolitical ineptitude of this magnitude. As nosotros examine history for pointers toward the future, 1 wonders if nosotros would persuasion Red People's Republic of China equally a rising competitor if it eschewed its drive toward a bluish H2O navy too focused on enhancing its dry reason power.
While Thucydides offers also little an illustration to analyze the evolution of whatever modern strategic rivalry, in that place is a argue why his locomote has remained the foundation of realist international theory. This is a mainly a outcome of Thucydides’ identification of fear, honor, too interest equally the source drive of the Peloponnesian War, too the fact that 1 or all of these causes silent serve equally source explanations for the evolution too course of report of every strategic rivalry since. Our historical analyses offered solely 1 add-on to Thucydides’ insight: rivalries, at their base, are powerfulness contests over who volition dominate a specific sphere of involvement too works life the rule-set that underpins the global order.
As America’s unipolar moment ends, it is worth considering if it is possible to avoid the start of some other circular of strategic rivalries. Unfortunately, historical precedents are non comforting. In our study, rivalries e'er start inward the wake of major shocks to the global system. These shocks deed equally a catalyst inward both ending an enduring strategic rivalry too starting a novel one. Such shocks are not, however, sufficient, inward too of themselves, to set-off such a rivalry. For that 1 or to a greater extent than other weather must live present: opposing ideologies; a prolonged economical competition; or, a national feel of beingness wronged too having to reset an injustice (e.g., Alsace-Lorraine inward pre-1914 Franco-German rivalry).

Vladimir Putin too Xi Jinping (Kremlin)
Given the requirement for a daze to the global organisation to boot off a strategic rivalry, policymakers mightiness await to the hereafter alongside some apprehension, equally inward the past times decade the Earth has undergone a serial of systemic shocks to the global order, whatever 1 of which could works life the weather for the emergence of a novel rivalry, or possibly—in the instance of Russia—the continuation of a previous one. These shocks include, but, may non live express to: the revival of Russian Federation equally an expansionary power; the ascent of a novel bully powerfulness (China) inside the global system; the ongoing collapse of Arab civilization; too the increasingly rapid remaking of the global economic scheme inward ways that volition contender the deport upon of the showtime Industrial Revolution.
Given the patently high toll of an enduring rivalry, it is fair to inquire why such rivalries are permitted to gain traction, too to a greater extent than paradoxically, why they persist—sometimes for centuries. The measure supposition is that an extended rivalry, especially 1 that involves successive conflicts, volition acquire progressively to a greater extent than ruinous, principally inward fiscal terms. In most cases, however, the measure supposition is wrong. The historical information clearly demonstrate that if a nation tin avoid total defeat too subjugation, a rivalry—even 1 involving multiple conflicts—almost e'er results inward a prolonged economical boom. While wars were, at to the lowest degree until the modern era, ofttimes ruinous for a government’s finances, the underlying economic scheme ofttimes experienced accelerated growth.[7] In somewhat of an absurdity, bankrupt governments ofttimes found themselves sitting on top of a burgeoning economy. As Angus Madison’s historical economical information demonstrates, for the menses afterwards the Industrial Revolution, major rivalries are clearly proficient for economical growth.
Only inward the in conclusion century did this designing get down to respite down. This coincides alongside the state’s increasing capacity to take, for its ain purposes, a much larger patch of a nation’s wealth via taxes. For example, to wage the Napoleonic Wars, Britain spent half-dozen percent of its gross domestic production per year, barely a 10th of the gross domestic production percent consumed past times America too Britain for each twelvemonth of World War II. Before the Industrial Revolution, too the concurrent ascent of the revenue state, authorities finances mightiness acquire overstretched, but this typically had solely a express too temporary effect on the broader economy. In the modern era, however, the state’s powerfulness to access huge portions of an economy’s wealth for a militarized competition could—and ofttimes did—wreck a nation’s underlying economy. As such, the broad public back upward that underpins an enduring rivalry ofttimes rapidly ebbed away. Moreover, the historical evidence indicates that sustaining back upward for fifty-fifty a pocket-size expenditure of gross domestic production on a state’s armed forces ofttimes requires a rapidly growing economy, too such back upward rapidly erodes when an economic scheme stagnates or enters a menses of tedious growth. Still, if a runaway arms build-up tin live avoided, the evidence strongly supports the decision that fifty-fifty a modern nation country caught-up inward a prolonged competition volition tend to grow faster than the global norm.[8]
Another economical consideration policymakers should live cognizant of is this: over the past times several hundred years, the size of a rival’s economic scheme is non nearly equally of import equally its administrative capacity to depict resources from that economy. This reverses Dr. Paul Kennedy’s famous observation that victory typically goes to the side alongside the to a greater extent than flourishing production base. Victory has ofttimes eluded the side alongside the greatest materiel resources—although that ofttimes remains the way to bet. Rather, success to a greater extent than ofttimes goes to the side best able to mobilize its resources base of operations for the decisive endeavour of war.[9] For instance, the size of China’s overall economic scheme may overtake the U.S. economic scheme inward the adjacent few years, yet its gross domestic production per capita is nigh where the U.S. of America was inward 1912. Adding this fact to estimates on the capacity of it its grossly inefficient fiscal infrastructure way that Red People's Republic of China volition observe it hard to fifty-fifty come upward closed to matching the resources—financial too materiel—that America could withdraw to deport inward a truthful crisis.
...OVER THE COURSE OF H5N1 RIVALRY, POLITICAL LEADERS ARE ALMOST ALWAYS MORE DISPOSED TO TAKING RISKS TO AVOID LOSSES RATHER THAN TO MAKE GAINS.
Before concluding, it is worth noting a few other lessons history offers us when it comes to thinking nigh hereafter strategic rivalries. First, rivalries, past times their real nature, are a contest. If 1 side retreats too thence the other volition fill upward the void, either on its ain or through proxies. Moreover, the historical tape demonstrates that a rival’s expansion volition locomote along until it is checked past times armed forces force, although in that place may live temporary pauses equally a contender powerfulness stops to consolidate its gains.[10] Second, over the course of report of a rivalry, political leaders are almost e'er to a greater extent than disposed to taking risks to avoid losses rather than to brand gains.[11] While the domino theory of jeopardy avoidance has been discredited inward the pop imagination, it silent retains much of its historic credibility. Successive events tend to acquire geopolitical momentum, where 1 defeat or withdrawal has historically led to a serial of such incidents. As such policymakers are ofttimes loath to allow the domino-chain acquire started. Finally, when rivals exercise caput downwardly the route to war, it is worth noting they almost e'er brand accurate cyberspace assessments of each other's capabilities. After doing so, states habitually acquire almost everything else wrong. Where policymakers commonly neglect is inward interpretation too imagination. Rarely, inward history, has a nation been able to plow its deep cognition of a rival’s capacity too capabilities into an accurate assessment of its intentions or hereafter strategic actions. As such, states ofttimes blunder into conflicts that inward hindsight look easily avoidable.

A statue of Thucydides at the Austrian Parliament Building inward Vienna.(Walter Maderbacher, Wikimedia)
One cannot acquire inward incorrect past times employing Thucydides equally a foundation for whatever model. As General George Marshall reminded us: “I dubiousness seriously whether a human being tin squall back alongside total wisdom too alongside deep convictions regarding sure of the basic issues today who has non at to the lowest degree reviewed inward his hear the menses of the Peloponnesian War too the autumn of Athens.” But Marshall for certain did non hateful for policymakers to cease their studies alongside the Peloponnesian War. Rather, Thucydides is but a starting dot for a much wider historical report aimed at revealing the truthful nature of strategic rivalries too the grapheme of their ensuing conflicts.
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