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History, Geography, and Time Big Eras 1 2 3 4 5 6 7 8 9 Past and Future
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Big Era Six

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The Great Global Convergence
1400-1800 CE


Environment IconHumans Icon item Human Ideas item

This Big Era and the Three Essential Questions

At the level of the human species as a whole, the most striking aspect of the period from 1400 to 1800 was the enormous extension of networks of communication and exchange that linked individuals and societies more and more tightly. Every region of the world became intricately connected to every other region, a development that we call the Great Global Convergence. Also in this era the world’s population began to move dramatically upward, breaking through the ceilings on growth that had previously governed human affairs. Big Era Six saw striking changes in human history. Five key transformations mark the era:

First, human societies and the networks that connected them became much more complex. The most dramatic example of this is that for the first time in history peoples of Afroeurasia began to interact on a large scale with peoples of the Americas (from the early sixteenth century) and Australasia (from the later eighteenth century).

A second major development was the Columbian Exchange of plants, animals, and microorganisms between Afroeurasia and the Americas. It followed the success of European sea captains in permanently linking the two hemispheres. The ecological and demographic consequences of the Great Global Convergence were huge, especially the “Great Dying” of much of the indigenous population of the Americas. Europeans benefited from this disaster by peopling the Western Hemisphere with new immigrants, both free European settlers and Africans slaves. Europeans also gained access to important new sources of food and fiber. These included, among many others, maize (corn), tobacco, and the potato, which were American crops, and sugar and cotton, which came from Afroeurasia but thrived in American soil.

A third change was the emergence of a truly global economy. This was another consequence of the Great Global Convergence, which linked together all major regions, except Antarctica, in a single web of exchange. Silver was the great lubricator of global trade. In the 1550s, silver mined in the Americas became available to Spain, then to the rest of western Europe, as well as to China directly by way of Spanish galleon voyages across the Pacific Ocean. Silver financed Europe’s increasing involvement in the economy of maritime Asia and subsequently provided the basis of the emergence of an Atlantic-centered world economy by 1800.

The remarkable rise of European political and military power relative to the rest of the world was the fourth major change. This was a consequence of 1) the spread to western Europe of technological and cultural innovations that originated elsewhere in Afroeurasia, and 2) western Europe’s response to the challenges of warfare in the new age of gunpowder weapons. A complete transformation of the way people fought and paid for wars occurred first in Europe, then around the world. Historians have named this development the “military and fiscal revolution” because it involved unprecedented advances in military technology and in the methods governments used to raise public money for wars.

The fifth great change was the development in western Europe of the Scientific Revolution and the Enlightenment and the subsequent diffusion of their ideas to other parts of the world, as women and men grappled with them in a variety of ways. These intellectual and cultural developments helped to establish rational science as a standard for measuring and explaining the natural world and human behavior. They greatly enhanced human ability to manipulate nature. Because they challenged long-established religious and philosophical perspectives, these movements raised profound questions about ultimate meaning in nature and society and about the sources of knowledge. These questions continue to concern us today.


Environment item
Humans and the Environment arrow item

Big Era Six was characterized by two contrasting major trends in human demography. On the one hand, it was a period of major population increase in Afroeurasia. The world’s population increased from about 375 million in 1400 to 954 million in 1800. On the other hand, it saw a catastrophic collapse in the population of the Americas as a whole, which plummeted from at least 50 million in 1500 to perhaps 10 million by 1600.

Within these discordant trends, some important continuities may be seen. For example, as late as 1800, the end of Big Era Six, no more than about 2 percent of humans lived in cities, while 95 percent were farmers. The rest, about 3 percent, were foragers or pastoral nomads.

Consider differences in the population histories of these major world regions:

  • China and India together had a population of around 140 million in 1400. At the end of Big Era Six they numbered 330 million and 180 million respectively.
  • Europe’s population went from about 52 million in 1400 to 146 million in 1800, with most of the increase coming in the eighteenth century.
  • The population of Africa south of the Sahara was around 60 million in 1400 and may have reached 104 million by 1600. Because of the trans-Atlantic slave trade, numbers then declined, decreasing to about 92 million in 1800.
  • The population of Latin America, which may have been 36 million in 1400, fell to 10 million by 1600. At this point, a gradual recovery set in, but by 1800 numbers had only recovered to about 19 million.

Regional Populations in Millions1

1400 CE
1600 CE
1800 CE
China
70
110
330
India
74
145
180
Europe
52
89
146
Sub-Saharan Africa
60
104
92
Latin America
36
10
19

The Great Dying and its consequences. In the Western Hemisphere, the demographic collapse among Native Americans was catastrophic in places that had large populations on the eve of European contact. These places included the Caribbean islands, central Mexico, the Mayan highlands of southern Mexico and central America, and the Andes Mountains. The Great Dying involved multiple infectious diseases and ferocious pandemics that followed one after another for more than a century and a half. It began when new disease pathogens were inadvertently introduced to American Indian populations by early Spanish and Portuguese invaders. Owing to the long separation between the western and eastern hemispheres, the populations of the Americas had not evolved significant natural immunities to Afroeurasian infections, which included measles, smallpox, influenza, typhus, and tuberculosis. Therefore they had no inherited defenses against them. In this perspective, the epidemic diseases can be seen as part of the Columbian Exchange of numerous organisms, including plants and animals.

The Great Dying caused massive social, economic, and cultural upheaval in numerous Amerindian societies. This was probably the major factor in the disintegration of the Aztec and Inca empires. The calamity also had a major impact on the development of the new Spanish empire in the Americas. The population loss meant that the Spanish faced severe shortages of labor and rapidly shrinking taxes. They therefore had to create an administrative system that gave priority to the mining industry and ensured the continued export of silver. Another consequence was the creation of social and legal institutions to force surviving Indian men and women to work for Europeans in mines and commercial agriculture.

The Great Dying, however, was just one aspect of the many ecological transformations that resulted from the Great Global Convergence. The arrival of Europeans in the Americas transformed the natural environment because the newcomers brought with them new organisms of all types, including many new food plants, several domestic animals (of which Native Americans had few), and numerous species of weeds. Because America’s pre-existing biota was often unable to compete successfully with these invading species, much of the Western Hemisphere’s environment came within several centuries to resemble the environment of northwestern Europe. In 1500, for example, wheat was unknown to peoples of North America. After European wheat-eaters introduced this crop to the North American temperate climate (which was not radically different from Europe’s climate), it became a staple of the diet of most of the population. The same was true for the populations of the southern cone of South America.

Sugar Plantation Mill Yard
Island of Antigua
Caribbean, 1823.


William Clark, Ten Views in the Islar of Antigua (London 1823). Jerome S. Handler and Michael L. Tuite Jr., The Atlantic Slave Trade and Slave Life in the Americas: A Visual Record, University of Virginia
http://gropius.lib.virginia.edu/Slavery
Sugar Plant

The African slave trade. The Great Dying also set in motion another process: the forced migration of millions of African men and women across the Atlantic. This was because in order to keep the mines, plantations, and haciendas producing for the European market, European mine and estate owners had to find more labor. Because of the Great Dying, European entrepreneurs were frequently unable to find the local Indian labor they wanted, while free Europeans were unwilling to cross the Atlantic in large numbers to take up back-breaking jobs and expose themselves to tropical diseases. In order to continue making handsome profits from production and sale of sugar, silver, and other commodities, they brought in African slaves. From a sugar planter’s point of view, African slaves—plentiful, cheap, and usually experienced at farming—were a practical solution.

Between 1450 and 1810, perhaps 11 million enslaved Africans arrived in the Americas. European sea merchants contracted with African rulers and traders to sell them captured Africans who had been enslaved by fellow Africans in their homelands. Historians have estimated that 42 percent of these enslaved men and women were sent to the Caribbean, 38 percent to Brazil, and only 5 percent to North America. The slave trade was disastrous for tropical Africa as a whole. African slave traders aimed to capture and sell mainly young women and men because they were the age group best fit to work and reproduce. The trade therefore drained African societies of their most productive people. The population of sub-Saharan Africa in 1900 was about 95 million. If the trade had not occurred, it would likely have been much higher.

Between 1500 and 1800 the proportion of men and women of African origin in the Americas steadily grew. From a demographic perspective, the hemisphere was becoming increasingly “Africanized.” During the same period, a second major migration, this one voluntary, further altered the population profile of the Americas. Between 1500 and 1800 about 2 million Europeans traveled to the Western Hemisphere. Europeans, however, still constituted a minority of the population in most parts of the Americas as late as 1800. It was only in Big Era Seven that the demographic “Europeanization” of the Americas really took off.

Rampant deforestation. Big Era Six witnessed a sharp increase in world deforestation, notably in Europe, the Americas, and Japan, an exploitation that also involved erosion, flooding, and climate change. The chief cause was the expansion of mining worldwide. This industry required vast quantities of wood, both fuel for smelters and timbers for mine shafts. This led to the deforestation of entire regions around the major mining sites. Silver and mercury mining in Japan and Latin America, notably Potosí and Huancavelica in the Peruvian Andes and Zacatecas in central Mexico, was especially destructive. Mining also significantly decreased forest cover in England, northern France, and central Europe.

The energy demands of the sugar industry in Brazil and the Caribbean, where biomass (wood) energy was needed to fire sugar boilers, produced extensive deforestation. Naval construction, which boomed during this period, was another major source of deforestation. The demands for ships’ timbers, masts, and spars placed a severe strain upon the forests of the Baltic and New England, as well as those of the Indian Ocean rim, where vessels for the Asian trade were constructed.

Western Europe and Japan underwent profound energy crises in the seventeenth century due to deforestation. In Europe, the shortage of wood energy occasioned a search for alternative sources, provoking the shift to fossil fuels, initially coal. In Japan, by contrast, the wood crisis led to an ambitious reforestation project. This said, we must note that most of the switch from biomass to fossil fuels occurred in the subsequent Big Era.

Humans and Other Humans item
Humans and Other Humans arrow item

The most important change affecting the relationships of humans with one another in this period was the transformation in social organization. Important developments included larger and more efficient bureaucratic states, as well as more complex systems of communication and economic exchange. Changes in the scale and complexity of human interactions greatly favored elites, that is people with wealth and power, because they were able to control and manage the new forms of organization and technology. Ordinary people, however, could also use new types of communication to promote social, religious, or political reform.

Far-reaching changes in maritime ship-building and navigation greatly speeded global exchange in Big Era Six. New maritime technology, plus the European innovation of mounting cannons on shipboard, supported the rise of the Spanish, Portuguese, Dutch, British, and French maritime empires. These empires were larger and more diverse than earlier ones. New firearms technology also contributed to the expansion of Afroeurasian land empires that were better organized for controlling their subjects and collecting taxes than were earlier empires. These states included the Turkish Ottoman, Safavid Persian, Mughal Indian, Chinese, and Russian empires, plus others in Inner Eurasia, West Africa, and Southeast Asia.

By contrast, the Aztec and Inca empires in the Americas, though impressive in size, resembled earlier agrarian states of Afroeurasia, not the new “gunpowder empires.” Their lack of firearms, iron tools and weapons, long-distance transport ships, horse cavalry, and other technologies possessed by Europeans contributed to their sudden collapse. Even so, had there been no gunpowder the Spanish conquests in the Americas would almost certainly have taken longer.

A shift in the economic center of gravity. Asia was the center of global economic activity at the beginning of Big Era Six. Then a shift westward toward Europe began to occur, though not until the later eighteenth century. How did this come about, and what were the main consequences? The linking of Afroeurasia with the Americas was the most important factor. The sudden arrival in the sixteenth century of vast quantities of silver on world markets led to a rapid increase in commercial exchanges of all kinds. This was as true for Asia, where the economies of both China and India were based on silver coinage, as it was for Europe. And America was supplying increasing amounts of precious metals to the world market. In the long run, it seems clear that Europeans benefited the most from this development. But this was not apparent in the sixteenth century.

In the early part of Big Era Six, European participation in the trade of Asia was seriously limited. Europeans did not produce any commodities or finished goods that Asians wanted to buy. American silver, which Native Americans and African slaves extracted from the earth, provided a solution for European entrepreneurs. They could purchase Asian commodities (pepper, spices, coffee, tea, porcelain, carpets, silk, and cotton cloth) with American silver and, to some extent, gold. Once Europeans with precious metals to sell entered the trade of Asia, they also profited as specialists in moving goods from one part of Asia or Africa to another—Chinese porcelain to India, for example, or Indian textiles to West Africa. The trade boom in maritime Asia soared to new heights between the sixteenth and eighteenth centuries. But this boom greatly benefited European states and merchants as well as Asian ones.

Changing conditions of production, consumption, and labor around the world greatly affected the lives of ordinary women and men. These transformations took place in work habits, incomes, diet, family structure, and in some places even the ratio of women to men. For example, in parts of tropical Africa, the slave trade removed so many young males from society that women came significantly to outnumber men. By contrast, in the densest plantation societies in the Caribbean and Brazil, enslaved men of African descent greatly outnumbered enslaved women.

Sugar, an Afroeurasian crop cultivated in the Americas, and the seeds of the cacao, an American plant introduced to Afroeurasia, are the key ingredients of chocolate.

Photo by Ross Dunn
Sugar

Sugar itself had a transforming effect on the Atlantic world in Big Era Six. The sugar boom brought riches to some Europeans and Africans but a death sentence to many others. The swelling consumption of sugar, coffee, tea, and cacao transformed the diets and daily habits of ordinary Europeans and linked them by invisible economic threads to enslaved Caribbean and Brazilian workers. The silver mines and sugar plantations did much to create a new international division of labor in which Africans, Native Americans, and Asians increasingly supplied labor and raw materials, while Europeans made finished goods using complex technologies.

Revolution in military power and finance. A primary reason for the rise of European power was the military and fiscal revolution. In the military sphere, Europeans adopted gunpowder weaponry, which had originally been pioneered in China. This soon led to advances in strategy, tactics, fort-building, and discipline. Warfare became the business of professional soldiers and sailors. Europeans fought many wars during this Big Era. These conflicts included the Wars of Religion, the Puritan Revolution in England, the Seven Years’ War, the American War of Independence, and the French Revolution. Military innovations, however, did not serve all European states equally because some states augmented their power at the expense of others. By 1800, Britain had virtually eliminated France, its principal rival for global domination, from North America, the Caribbean, and South Asia.

The ”Tsar Cannon.” The emperor of Russia ordered the casting of this gigantic bronze cannon in 1586. Its tube weighs 40 tons. It was intended for defense of the Kremlin in Moscow, but it was never fired.

Photo by Ross Dunn
The Czar Cannon

The military revolution was also fiscal because it required deep changes in state bureaucracy, taxation, and accounting to pay for increasingly expensive wars. In this race for revenue only the fiscally fit survived. The power of states unable to finance costly artillery and other weapons was gradually reduced by their more successful rivals. Britain’s greater ability to finance warfare largely explains its victories over France. For example, French military and financial support for the American Revolution led to that kingdom’s bankruptcy and thus contributed to the French Revolution, to be discussed in Big Era Seven. In Asia, imperial states like the Ottomans, Mughals, and Ming Chinese adopted gunpowder weapons and expanded their territories. They did not, however, accept the full package of military and fiscal reforms that Europeans did. By the later eighteenth century, the balance of military power in the world was shifting to the European side.

Before the nineteenth century, European states did not have a significant military advantage over Asian or African rivals. For example, at the start of the era, the Austrian Hapsburg empire (the largest in Europe) could not defeat the Ottoman Turkish empire, its principal rival. The Portuguese, Dutch, and English traded for slaves in West Africa but seized little territory because regional African states, which were increasingly armed with guns, had sufficient power to defend themselves. The tropical disease environment in West Africa was also deadly to Europeans. It was not until the nineteenth century that Europeans began to have adequate military and medical technology to readily defeat Asian or African armies. At the start of Big Era Seven, for example, both Austrian and Russian forces deploying massed field artillery and other lethal weapons were able to defeat the Ottomans more and more often.


Ideas item
Humans and Ideas arrow item

In Big Era Six, Europe emerged as a center of technological and scientific advance, a hotbed of ideas and inventions that contributed greatly to the building of denser networks of human interaction. It is important to note, however, that Europe enjoyed this role only because its thinkers and experimenters were able to build on the legacy of scientific and technological exchanges that had been part of Afroeurasian history for several millennia. As we have suggested in the discussion for the previous Big Eras, between the eighth and fourteenth centuries, a new synthesis of Arab, Persian, Mesopotamian, Greek, and Indian knowledge about nature, society, and the cosmos gradually appeared. Beginning in the twelfth century, Europeans gradually adopted this synthesis of learning and increasingly contributed to it.

A self-portrait of Sofonisba Anguissola, 1531-1626. This Italian Renaissance artist was painter to the royal court of the Emperor Philip II of Spain.

Women Artists
California State Polytechnic University, Pomona
http://www.csupomona.edu/~plin/women/womenart.html
The Czar Cannon

Cultural developments in Europe. Europe’s transformation was also the product of internal cultural trends. Following its recovery from the devastating plagues, climatic deterioration, and warfare of the fourteenth century, Europe underwent a multi-dimensional revival. Its most visible cultural sign was the Renaissance, a flowering of art, literature, philosophy, and science centered in (and paid for by) royal courts and wealthy men and women in Italy and, a bit later, in northwestern Europe. The Renaissance was a cultural expression of Europe’s new prosperity, and it was fed by the new knowledge that poured into the region in the wake of European explorations and conquests across the oceans. In world terms, however, the Renaissance was not a major cultural turning point. Rather, it raised the level of sophistication and refinement of European elite culture to that of urban societies in the rest of Afroeurasia. A more decisive transformation was the Scientific Revolution that came in the seventeenth century.

 
A Replica of Johannes Gutenberg’s Printing Press
of 1450.


Museum of Printing History, Houston, Texas
http://www.printingmuseum.org
photo by Gerald E. McLeod
“Day Trips,” The Austin Chronicle
Feb. 2, 2001.
The Czar Cannon

One critical innovation was the printing press and the use of movable type, which Johann Gutenberg (1394-1468) pioneered in Europe in the late fifteenth century. Printing using movable type had existed for many centuries in East Asia. Korean artisans invented the use of metal movable type, as opposed to wood or ceramic type, about the same time that Gutenberg was experimenting with movable type. This technology, however, caught on especially fast in western Europe. Printing stimulated literacy among middle- and upper-class Europeans, a growing market for ideas, including new conceptions of nature, the cosmos, and human society.

The spread of Protestantism was a major development linked to printing. The Protestant Reformation was a movement of religious protest and reform that burst on the European scene in the early sixteenth century. Martin Luther (1483-1546), a German Christian monk, challenged the Roman Catholic Church to make numerous reforms in doctrine and leadership. The result was a long and bitter struggle for religious and political power that divided western Europeans for well over a century. At the same time, the Catholic Church continued to gain followers, and a variety of Protestant churches sprang up, the forerunners of modern denominations such as the Lutherans, Presbyterians, Methodists, Episcopalians, and Baptists.

The Djinguareben mosque in Timbuktu, Mali, West Africa.

Anonymous
World Images Kiosk, San Jose State University
http://worldimages.sjsu.edu
©Kathleen Cohen.
The Czar Cannon

The global religious scene. European merchants, soldiers, and missionaries also took Christianity, both Catholic and Protestant, around the world, leading to its rapid spread, especially in the Americas. Islam, an alternative vision of belief in one God, also continued to expand across Afroeurasia, carried along the overland routes and long-distance sea lanes. While Christianity was sinking deep roots in the Americas, Islam gained millions of new adherents in West Africa, East Africa, southeastern Europe, Inner Eurasia, India, and Southeast Asia. Buddhism continued to grow in China, Japan, and Southeast Asia.

However, the major organized faiths—Christianity, Islam, Buddhism, Daoism, Hinduism, and Judaism—had nothing like a monopoly on religious belief and practice in the world. Many believers in the major religions knew very little about the formal doctrines of their own faiths. They lived, rather, in a world dominated by beliefs in magic and spirits. Local, polytheistic religions declined on a world scale but continued to thrive in more remote places. Also, faiths involving syncretism, which means the meshing of beliefs and rituals of different traditions, became more common as the web of human interactions around the world tightened.

The Scientific Revolution. In Europe, the fragmenting of religious doctrine that accompanied the Protestant Reformation, the sudden linkup with the Americas, and the continuing flow of knowledge from distant parts of Afroeurasia produced multiple shocks to the Christian worldview. Such newness and change provoked a searching examination of the place of humans in the cosmos and nature. In the absence of any single controlling religious authority to stop them, scholars like Copernicus, Galileo, Descartes, Pascal, and Newton put forward philosophical and scientific ideas that challenged older ways of thinking.

Most important, they argued that the universe operates according to natural laws, which human reason and careful observation may discover and explain. The resulting Scientific Revolution was in many ways the logical outcome of Afroeurasia’s total legacy of scientific and philosophical creativity. It was also, however, a dramatic break with the long world trend to rely mainly on priests, spiritual sages, and other religious authorities to explain all things. In the eighteenth century, the Enlightenment, a great debate over the relative merits of science and faith as the proper measure of reality, gathered steam in Europe and began to penetrate other parts of the world.



Teaching Units for Big Era Sixarrow item

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6.0

The Great Global Convergence
1400 - 1800

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6.1

Oceanic ventures and the joining of the continents
1400-1550 CE

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6.2

The Columbian Exchange and its consequences
1400-1650 CE

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6.3

Rulers with Guns: The rise of powerful states
1400-1700 CE

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6.4

The global economy takes shape
1500-1800 CE

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6.5

The Making of the Atlantic Rim
1500-1800 CE

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6.6

The Scientific Revolution
1500-1800 CE

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6.7 The Long Reach of the Major Religions
1500-1800 CE
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3.2.5

Korea
From Calm to Conflict

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6.6.1

Leaders of the Enlightenment

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6.7.1

The Protestant Reformation

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Footnotes:

1 Christian, Maps of Time, 344-45.

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