Capitalism and Slavery

By Trevor Getz
Plantation slavery and capitalism rose in the same period. Were they systems that supported each other, or did capitalism help to end plantation slavery? Or Both?

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A drawing of many, many enslaved people crammed onto a ship. The people have been tied up and are laying down, pressed against one another.

Siblings or Rivals?

The stage for modern capitalism was set between the fifteenth and the eighteenth centuries. The proponents of capitalism believed that free markets in goods and labor and the ability to invest money for profit would make the world a better place. Networks of production and distribution became larger and more complex than ever before. Sea empires and large corporations like the Dutch East India Company helped to spread practices like bonds and joint-stock companies, where several people buy a stake of ownership in a business.

This same period also saw the development of a widespread system of chattel slavery. In the Atlantic world, large numbers of people—mainly from Africa—were enslaved. European and colonial American societies considered them property, rather than people. These enslaved people were part of a capitalist economic system we call the plantation system, in which they were forced to work, without pay, in terrible conditions, in order to generate profits for people who legally owned them. Plantations and capitalism developed and became widespread at about the same time, in about the same regions of the world. But by the late nineteenth century, slavery was criminalized across much of this region. Meanwhile, capitalism remains not only legal, but the dominant economic system in the world today. What was the relationship of slavery to capitalism through this period of human history? Did slavery and capitalism depend on each other for success, as some people argue? Or did capitalism help to end slavery, as others suggest? Historians have struggled to answer these questions in part because they have meaning for debates we have today. For example, if slavery helped to support capitalism in this early period, then it arguably contributed to the wealth that many people and companies have today. This would mean the descendants of enslaved people have reason to demand some of that wealth back. Similarly, if capitalism helped to end slavery, then we have to give this system credit for helping to liberate people. But both of these ideas are still debated.

A group of men, dressed in suits, waiting outside of a wooden building
Buyers waiting to bid on enslaved humans. St. Louis, Missouri, about 160 years ago. Thomas Martin Easterly, Missouri History Museum, public domain.

Rival Systems

Let’s begin by exploring the idea that capitalism and slavery were rival systems. In this view of history, plantation slavery was part of an older way of organizing labor. Then capitalism came along and defeated it. For much of the early twentieth century, almost all historians believed this. But is this an accurate narrative of the past? In theory, capitalism promotes labor done by free people, rather than slavery. One of its central principles is free markets. The idea is that without interference, a buyer and a seller will negotiate. The seller wants a high price for the goods she is selling. The buyer wants to spend as little as possible. In the end, they will come to a fair price that works for both of them. Capitalism suggests that the same is true for labor. A person should be free to ask for as much money as they can for their labor. An employer will want to pay as little as possible. Between them, they will come to a fair wage for a person’s work.

Slavery in the Atlantic model, of course, is not a free market. There is no pay to negotiate. The enslaved get nothing, except perhaps a poor bed, bad food, and essentially no money—none of which is negotiable. This is not how capitalism is supposed to work. More to the point, historians who argue that capitalism helped end slavery note that this system makes the enslaved person unmotivated. Why work hard, offer your good ideas, or do anything to impress a boss who “owns” you and will never pay you?

A painting of a large group of people meeting in a grand room. One person is standing, presumably speaking to the room, with one hand raised in the air.
The Anti-slavery Society convention of 1840. Many British abolitionists were businessmen. Public domain.

That’s why many historians have argued that slavery was inefficient compared to a system where workers were paid wages and could negotiate for better pay or move up the ranks. In particular, U.S. historians such as Eugene Genovese and Mary Beard argued that wage workers in the industrial north of the country were more efficient than enslaved workers in the plantation south. For some of these historians, the U.S. Civil War and end of the slave trade represented a victory of capitalism over slavery. Other historians see the end of the Atlantic Slave Trade as a victory of capitalism over slavery. They argued that many of the owners of slave-worked plantations in the Caribbean were in fact connected to old European aristocrats or nobles. Many abolitionists, by contrast, were connected to new industry. They argued that wage labor was both more efficient and morally better than slave labor. So, historians have used these two arguments to support the idea that capitalism ended slavery: First, they say wage labor was a better system and made free societies stronger than those that used enslaved labor. Second, they argue that people in capitalist, industrial societies were natural opponents of slavery.

Sibling Systems

But it may have been that capitalism and slavery were more compatible than this evidence suggests. In addition to free markets, proponents of capitalism argue that it is important to make a profit. If people are investing money, they expect a return on their investment. Many historians have pointed out that the Atlantic slave trade was, in fact, immensely profitable. People in Britain and elsewhere invested in shares in slave trading companies and made a fortune. As historian Eric Williams and others have collectively argued, they may have used those profits to start other companies and fund many of the scientific and technical advances that made industrialization and the rapid spread of capitalism possible.

Plantations that depended on the forced labor of enslaved people were also very profitable at times. A group of historians writing in the last decade, including Walter Johnson and Ed Baptist, have argued that, contrary to what earlier historians argued, slave plantations actually helped create the modern capitalist world. Johnson focuses on cotton, one of the leading crops produced by enslaved labor in the eighteenth and nineteenth centuries. He reminds us that cotton fed the textile machines that were among the world’s leading capitalist industries in the nineteenth century. Since most of that cotton was produced by slave labor, it was slavery that made this major chunk of industrialization possible.

Painting of many enslaved people working on farmland that has been divided into a grid. Behind them are palm trees and a large windmill.
Highly-organized, industrial-style slave labor on the island of Antigua, 1823. Public domain.

Ed Baptist goes even further. He says that plantations growing cotton developed many of the innovations of modern industrial capitalism. These included productivity “targets” for enslaved people similar to the quotas, or productivity targets, faced by many modern factory workers. He also argued that enslavers developed technologies—especially punishments—that made enslaved workers productive, perhaps more productive and efficient than factory workers who were paid wages. Added together, these historians argue that capitalism and slavery worked hand-in-hand, like siblings supporting each other rather than rivals. The slave trade and the plantation system created profits for capitalists and the plantation system even helped develop and inspire new industrial techniques for later capitalists.

So, What to Think?

So, who should be believed? Clearly, there is still a broad disagreement about the relationship between slavery and capitalism. Right now, more historians who work on this subject see the two as intertwined and mutually supporting each other. But this wasn’t always the case, and historians in the future may not agree. Already, there are some historians who question the conclusions of scholars like Baptist and Johnson. Two economists, Alan Olmstead and Paul Rhode, suggest that some of their evidence is a little thin, and that they rely too much on narrative rather than big sets of data. Unfortunately, big sets of data are difficult to find for many issues, especially before modern recording and computing technology.

Whatever their exact relationship, clearly slavery and capitalism existed together in the years that set the stage for the industrial world economy we have today. It is worth discussing and trying to understand how they each shaped our modern global economy.

Sources

Baptist, Edward E. The Half Has Never Been Told: Slavery and the Making of American Capitalism. New York: Basic Books, 2014.

Beard, Charles and Mary Beard. The Rise of American Civilization. New York: Macmillan, 1927.

Genovese, Eugene. The Political Economy of Slavery. New York: Pantheon, 1965.

Johnson, Walter. River of Dark Dreams: Slavery and Empire in the Cotton Kingdom. Cambridge, MA: Belknap Press of Harvard University Press, 2013.

Olmstead, Alan L. and Paul W. Rhode. “Cotton, slavery, and the new history of capitalism”. Explorations in Economic History, 67 (2018), 1-17.

Trevor Getz

Trevor Getz is Professor of African and World History at San Francisco State University. He has written or edited eleven books, including the award-winning graphic history Abina and the Important Men, and co-produced several prize-winning documentaries. He is also the author of A Primer for Teaching African History, which explores questions about how we should teach the history of Africa in high school and university classes.

Image credits

Creative Commons This work is licensed under CC BY 4.0 except for the following:

Cover: Stowage of the British slave ship Brookes under the regulated slave trade act of 1788. Library of Congress’s Prints and Photographs division under the digital ID cph.3a34658. Public domain. https://commons.wikimedia.org/wiki/File:Slaveshipposter_(cropped).jpg

Buyers waiting to bid on enslaved humans. St. Louis, Missouri, about 160 years ago. Thomas Martin Easterly, Missouri History Museum, public domain. https://commons.wikimedia.org/wiki/File:Lynch%27s_Slave_Market_by_Thomas_Easterly,_c1852.png

The Anti-slavery Society convention of 1840. Many British abolitionists were businessmen. Public domain. https://en.wikipedia.org/wiki/File:The_Anti-Slavery_Society_Convention,_1840_by_Benjamin_Robert_Haydon.jpg

Highly-organized, industrial-style slave labor on the island of Antigua, 1823. Public domain. https://en.wikipedia.org/wiki/Slavery#/media/File:Slaves_working_on_a_plantation_-_Ten_Views_in_the_Island_of_Antigua_(1823),_plate_III_-_BL.jpg


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