THE STEPPE AND THE CITIES: TWO WORLDS THAT BUILT CENTRAL ASIA
A Mongolian View of the Relationship Between Nomadic Power and Urban Civilization
The history of Central Asia is often told as a confrontation between two opposing worlds. On one side stood the nomads of the great Eurasian steppe, moving with their herds and armies across vast grasslands. On the other stood the settled civilizations of the river valleys and oases, protected by walls and sustained by agriculture, irrigation, commerce, and urban institutions. In many traditional narratives, the relationship between these worlds appears almost entirely destructive: the cities created civilization, while the steppe periodically descended upon them in waves of invasion. Yet the historical reality was far more complex. For thousands of years, the steppe and the cities were not isolated civilizations separated by an impenetrable frontier, but two different environments connected by continuous economic exchange, political negotiation, migration, warfare, diplomacy, and cultural transmission.
From a Mongolian perspective, this relationship is particularly important because the societies of the eastern steppe were never economically self-contained worlds cut off from the civilizations surrounding them. Pastoral economies possessed extraordinary advantages in mobility, livestock production, horse breeding, military organization, and the ability to use enormous territories that could not support intensive agriculture, but they also required products that the steppe could not easily produce in sufficient quantities. Agricultural civilizations, meanwhile, possessed grain, textiles, metal goods, manufactured products, specialized craftsmen, and concentrated urban wealth, but they also needed horses, livestock, animal products, military manpower, and access to the great overland corridors controlled by mobile populations. The relationship between the two worlds was therefore not simply a struggle between civilization and barbarism but a long and changing system of mutual dependence.
Central Asia was one of the principal places where this relationship became visible on a continental scale. To the north stretched the immense grasslands of the Eurasian steppe, extending from Mongolia through the Altai and the territories of present-day Kazakhstan toward the Caspian and Black Sea regions. To the south lay the great oasis and river civilizations of Transoxiana, Khwarazm, Bactria, and Khurasan, while the mountain corridors of the Tian Shan, Pamirs, and Hindu Kush connected these worlds with the Tarim Basin, Iran, Afghanistan, and the Indian subcontinent. Between them stood no permanent wall. There were instead frontier zones through which merchants, pastoralists, soldiers, diplomats, refugees, religious communities, and entire ruling dynasties moved repeatedly across centuries.
To understand Central Asia before the Mongols, we must therefore abandon the idea that the steppe and the city existed as two completely separate historical worlds. Their political systems were different, their economies operated according to different rhythms, and their populations often viewed one another with suspicion, but neither could ignore the other. The history of Central Asia was created precisely through their interaction.
The Steppe Was an Economy, Not an Empty Wilderness
To sedentary chroniclers, the open grasslands beyond the agricultural frontier could appear empty because they lacked permanent cities, monumental buildings, and densely cultivated fields. Yet the steppe was not economically empty. It supported a highly specialized pastoral system capable of producing horses, sheep, cattle, hides, wool, felt, meat, dairy products, and other resources on an enormous geographical scale.
The wealth of the steppe was measured differently from the wealth of a city. Urban wealth could be concentrated behind walls in markets, warehouses, temples, palaces, and treasuries, while pastoral wealth moved across the landscape in living herds. A powerful steppe ruler might not govern a capital comparable to Samarkand or Bukhara, but he could command tens of thousands of horses, control seasonal pastures extending across immense distances, mobilize mounted warriors rapidly, and influence the movement of merchants through continental corridors.
This mobility was itself a form of economic and political power. A sedentary state usually depended upon roads, fixed administrative centers, agricultural taxation, and the defense of permanent settlements. A steppe polity could shift its political center, move armies without the same dependence upon fixed supply lines, and control territories through networks of allegiance rather than continuous occupation. These differences made steppe states appear unstable when judged according to the standards of sedentary bureaucratic empires, but they represented adaptations to a fundamentally different geographical environment.
The Mongolian Plateau formed one of the greatest centers of this pastoral political world. From the Xiongnu onward, states based there repeatedly demonstrated that mobile societies could create sophisticated systems of imperial organization, diplomacy, taxation or tribute, military command, and long-distance political communication. Their wealth did not depend upon agriculture alone because their power rested upon control of people, animals, pastures, routes, and relationships with surrounding civilizations.
The Cities Needed the Steppe
The economic relationship between the steppe and the cities was not one-sided. Sedentary societies often portrayed nomadic peoples as dependent upon agricultural civilization, yet the great states of Eurasia themselves depended heavily upon resources originating in pastoral regions.
The most strategically important of these resources was the horse. Before the modern age, military power across much of Eurasia depended upon access to large numbers of strong horses. Cavalry required continuous replacement animals, while transportation, communication, and imperial administration also depended upon equine mobility. The grasslands of Inner Eurasia possessed environmental conditions particularly suitable for large-scale horse breeding, giving steppe societies a resource of immense strategic value.
Chinese dynasties repeatedly sought horses from Inner Asia. Iranian and Central Asian states relied heavily upon mounted military forces. Islamic empires recruited Turkic soldiers whose military traditions had developed in the steppe. The cities of Central Asia themselves stood close to pastoral regions precisely because economic exchange between these environments was profitable and necessary.
Livestock, wool, hides, felt, and other animal products also moved southward, while grain, textiles, metal goods, luxury products, and manufactured items moved toward the steppe. Merchants benefited from this exchange, rulers attempted to regulate it, and frontier markets became politically important institutions connecting the two worlds.
When peaceful exchange functioned, both sides benefited. When political authorities restricted trade, closed markets, or attempted to impose unequal conditions, tension could increase rapidly. Warfare between steppe and sedentary states therefore often had an economic dimension that later chronicles reduced to simple stories of nomadic aggression.
Trade and War Were Often Two Sides of the Same Relationship
The distinction between trade and warfare was not always as clear as modern narratives suggest. Steppe rulers sought access to the products of sedentary economies, while sedentary governments frequently attempted to control that access for political purposes. Trade privileges could be granted to allies and denied to enemies, frontier markets could be opened or closed, and diplomatic gifts could function simultaneously as economic exchange and symbols of political hierarchy.
From the Xiongnu period onward, relations between the Mongolian Plateau and the Chinese dynasties repeatedly demonstrated this pattern. Warfare, diplomacy, marriage alliances, frontier markets, tribute, and gift exchange formed parts of the same larger political relationship. The famous quantities of silk transferred across the frontier were not merely luxury gifts. Silk possessed economic value throughout Inner Eurasia and could be redistributed westward through diplomatic and commercial networks.
For steppe rulers, control over access to sedentary goods strengthened political authority because valuable products could be distributed among allied leaders and followers. For sedentary states, controlling trade could become a method of influencing steppe politics. Economic exchange was therefore inseparable from political power.
The same logic operated across Central Asia. A ruler who controlled the routes between the steppe and the oasis cities could benefit from commerce, collect duties, protect merchants, and gain access to information moving across enormous distances. A ruler excluded from those networks might seek to reopen them through diplomatic pressure or military force. The struggle for trade routes was therefore also a struggle for political survival.
The Silk Roads Were Built by Both Worlds
The Silk Roads could not have functioned through cities alone. Samarkand, Bukhara, Merv, Balkh, Kashgar, and other urban centers were essential commercial nodes, but the routes connecting them crossed deserts, mountains, and grasslands that no city could control by itself. Merchants required political protection across long distances, access to animals and water, knowledge of local geography, and agreements with the powers controlling the territories between major markets.
Steppe empires could provide precisely this form of large-scale connectivity. When a powerful political order controlled extensive territories, movement became safer and commercial networks could expand. When steppe political systems fragmented, merchants had to negotiate with multiple authorities and routes could become more dangerous.
The relationship between the Türk Khaganates and Sogdian merchants provides one of the clearest examples. Turkic rulers possessed military power and controlled enormous stretches of Inner Eurasia, while Sogdian merchants possessed commercial expertise and international networks extending between China and Central Asia. Their relationship was not accidental. Each possessed something the other needed.
The same principle later appeared under the Uyghurs and, on an unprecedented scale, under the Mongol Empire. The famous commercial expansion associated with the Pax Mongolica was therefore not a completely new invention but the greatest historical expression of an older Inner Eurasian relationship between mobile imperial power and urban commercial networks.
The Cities Also Entered the Steppe
Influence did not move only from the steppe toward the cities. Urban civilizations repeatedly entered the political and cultural life of nomadic empires through merchants, craftsmen, scribes, diplomats, religious teachers, and administrators.
Sogdian influence across Inner Asia provides an especially important example. Sogdian merchants operated far beyond the cities of Transoxiana and became active participants in the courts and commercial systems of steppe empires. Through these networks, religious traditions including Buddhism, Manichaeism, and Christianity traveled across Inner Eurasia, while writing systems and administrative knowledge also moved between civilizations.
The Uyghur adoption of a writing tradition ultimately derived from Sogdian script would later have profound consequences for Mongolian history. When the Mongols adopted the Uyghur script for their own language, they inherited the final product of a cultural transmission that had moved from the cities of Central Asia into the steppe and then from one steppe empire to another.
This single example demonstrates how misleading it is to imagine the steppe as a world that merely destroyed cities. The political cultures of the steppe repeatedly absorbed technologies, religions, administrative practices, artistic traditions, and systems of writing from urban civilizations, but they adapted those elements to their own needs rather than simply becoming copies of sedentary states.
Steppe Rulers Could Become Urban Rulers
Throughout Central Asian history, dynasties originating in the steppe repeatedly conquered settled territories and then became rulers of cities. This process is often described as the triumph of sedentary civilization over nomadic conquerors, as though steppe rulers inevitably abandoned their original political traditions once they entered urban environments. The reality was more complex.
Many ruling dynasties maintained connections with both worlds. They governed cities through bureaucratic institutions while continuing to depend upon steppe military forces. They patronized Persian literature or Islamic scholarship while preserving Turkic or other Inner Asian dynastic traditions. They collected agricultural taxes while maintaining political relationships with pastoral populations beyond the cities.
The Karakhanids, Ghaznavids, Seljuks, and Khwarazmshahs all emerged from political environments in which Turkic military power and Persianate urban civilization interacted. Their states cannot be understood exclusively as products of either the steppe or the city because they were created through the combination of both.
This was one of the great political patterns of medieval Central Asia. Steppe power could conquer urban wealth, but urban institutions could transform the administration of steppe dynasties. The result was not necessarily the disappearance of one world into the other but the creation of new political systems that combined elements of both.
The Cities Could Not Simply Conquer the Steppe
Sedentary empires repeatedly attempted to extend permanent authority into the grasslands, but the geography of the steppe made such expansion extraordinarily difficult. Armies trained to operate around cities and agricultural supply systems could advance deep into pastoral territory, yet holding that territory was another matter.
There were few major cities whose capture could automatically destroy a steppe political system. Populations could move, herds could be relocated, and armies could avoid decisive confrontation until conditions became favorable. Long supply lines exposed invading forces to exhaustion, weather, and attacks on their communications.
The steppe therefore possessed a form of strategic depth that was difficult for sedentary empires to overcome. China could build frontier fortifications and conduct major campaigns into Mongolia, while Iranian and Central Asian states could launch expeditions northward, but permanent control over the entire steppe required political methods adapted to mobile society.
This geographical advantage helps explain why steppe empires repeatedly reappeared even after major military defeats. A dynasty could collapse without destroying the social and economic system that had produced it. New confederations could form, new leaders could unite previously divided groups, and another political power could emerge from the same broad environment.
The Steppe Could Not Simply Rule the Cities
The reverse was equally true. Conquering a city was easier than governing an urban civilization over generations. Steppe armies could defeat sedentary states in the field and capture their capitals, but maintaining agricultural production, irrigation systems, taxation, commerce, and administration required specialized knowledge.
Successful steppe conquerors therefore needed administrators, scribes, tax officials, engineers, merchants, and local elites. They had to learn how urban economies functioned and how political authority could be translated from personal allegiance and military command into the management of large sedentary populations.
This requirement repeatedly transformed conquering dynasties. The rulers did not necessarily cease to be steppe rulers, but their states became more complex because they now governed multiple economic and cultural systems simultaneously.
The Mongols would later confront precisely this challenge on a scale greater than any previous steppe empire. Their success depended not merely upon military conquest but upon their ability to incorporate administrators and specialists from many conquered civilizations into an imperial system capable of governing both grasslands and cities.
Central Asia Was the Meeting Ground
Central Asia occupied a unique position because neither the steppe nor the urban world could dominate it permanently without interacting with the other. The northern regions opened into the great grasslands of Inner Eurasia, while the south contained some of the richest oasis civilizations on the continent. Mountain valleys connected the two, and major rivers supported urban centers close enough to the steppe frontier to make continuous exchange unavoidable.
Cities such as Samarkand and Bukhara therefore belonged to a world deeply connected with pastoral politics even when their inhabitants lived within sophisticated urban civilizations. Khwarazm stood beside the steppe and depended upon routes extending northward. Zhetysu contained both pastoral and urban communities. The Ferghana Valley was famous for horses as well as agriculture. Afghanistan connected the political worlds of Central Asia with Iran and the Indian subcontinent.
The region was not divided into a civilized south and an uncivilized north. It contained a spectrum of societies whose economies and political structures adapted to different environments while remaining connected through exchange.
This is why Central Asia repeatedly produced states that combined steppe military power with urban administration. Geography itself encouraged political synthesis.
A Mongolian Perspective on Wealth
From a sedentary perspective, the wealth of Samarkand was visible in its markets, buildings, workshops, agricultural lands, and accumulated goods. The wealth of the steppe was less visible to chroniclers because it moved across the landscape.
Yet a Mongolian ruler who controlled vast herds, strategic pastures, mountain passes, river crossings, and the loyalty of mobile populations possessed a different form of wealth. He controlled movement.
Control of movement meant control of armies, trade routes, information, and access between regions. From the Xiongnu period onward, the great states of the Mongolian Plateau repeatedly understood this geographical reality. Their political strategies cannot be reduced simply to the desire to raid richer sedentary neighbors.
The rulers of the steppe understood that geography itself possessed economic value. The Altai connected east and west. The Gobi could protect as well as separate. The grasslands could carry armies and caravans across enormous distances. Control of frontier corridors could determine whether trade flowed through one political sphere or another.
The Silk Roads were therefore not simply lines drawn between cities. They were political spaces whose survival depended upon whoever controlled the enormous territories between those cities.
Before the Mongols, the System Already Existed
By the beginning of the thirteenth century, the relationship between the steppe and the cities had already shaped Central Asia for thousands of years. The Xiongnu had demonstrated the power of an organized eastern steppe empire. Population movements had connected Inner Asian conflicts with the rise of new states in Bactria and India. The Türk Khaganates had united enormous portions of Mongolia and Central Asia within a common political system, while Sogdian merchants had connected steppe courts with international commerce. The Uyghurs had absorbed religious and literary influences from Central Asia, and the Qara Khitai had carried an eastern Inner Asian political tradition westward into Transoxiana.
At the same time, Turkic military populations had become deeply integrated into the Islamic political world. The Karakhanids ruled Transoxiana, the Ghaznavids connected Afghanistan with the Indian subcontinent, the Seljuks transformed the Middle East, and the Khwarazmian Empire combined Persianate administration with powerful Turkic military networks.
The political world encountered by Chinggis Khan was therefore already the product of centuries of interaction between pastoral and urban civilizations. The Mongols did not arrive at the boundary between two worlds that had never met. They entered a system whose components had been interacting for generations.
What the Mongols Would Change
The Mongol achievement would lie not in inventing the relationship between the steppe and the cities but in reorganizing it on an unprecedented geographical scale. Earlier steppe empires had connected Mongolia with parts of Central Asia, while individual dynasties had combined pastoral military traditions with urban administration. The Mongols would eventually bring the Mongolian Plateau, much of Central Asia, China, Iran, the western steppe, and large parts of Rus’ into interconnected imperial structures descended from a single conquest.
This transformation would create enormous destruction in regions that resisted, but it would also produce new systems of movement, administration, communication, and exchange across Eurasia. Merchants, diplomats, craftsmen, scholars, religious figures, and technologies would move through imperial networks on a scale rarely achieved before.
Yet the foundations of this system were older than the Mongol Empire itself. The economic complementarity of pastoral and agricultural societies, the strategic value of controlling continental routes, the partnership between steppe rulers and urban merchants, and the incorporation of sedentary specialists into mobile empires had all existed in earlier forms.
The Mongols inherited these traditions from the long history of Inner Eurasia and transformed them into something larger.
Two Worlds That Were Never Truly Separate
The steppe and the city represented different ways of organizing human life, but Central Asian history demonstrates that difference did not mean isolation. Pastoral societies required access to urban products and commercial markets, while cities depended upon horses, livestock, military forces, and continental routes connected to the steppe. Political conflict emerged precisely because the two worlds mattered so much to one another.
For centuries, rulers on both sides attempted to control the terms of this relationship. Sometimes they exchanged goods peacefully, sometimes they formed alliances, sometimes steppe dynasties conquered cities, and sometimes sedentary empires attempted to push their frontiers into the grasslands. Through all these changes, however, interaction continued.
From a Mongolian perspective, this history reveals why the rise of Chinggis Khan cannot be understood as the sudden appearance of an isolated people from the edge of civilization. The Mongols emerged from a political environment that had participated in Eurasian exchange for centuries and from a steppe tradition whose rulers understood the economic importance of trade, the strategic value of geography, and the political power created by controlling movement across enormous distances.
When the Mongols entered the great cities of Central Asia, the encounter was violent and transformative, but the two worlds confronting one another were not strangers. Their histories had already been connected through trade and war, migration and diplomacy, merchants and armies, steppe empires and urban states. The Mongol Empire would ultimately bring these ancient relationships under a new imperial structure, but the foundations had been laid long before the first Mongol army appeared before the walls of Bukhara.
The steppe and the cities did not build Central Asia separately. Across centuries of cooperation and conflict, dependence and competition, they built it together.
BEFORE THE MONGOLS — 2.3
The Worlds That Existed Before the Rise of the Mongol Empire
MYTH & REALITY — History Beyond Legend
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