Trading Consequences’ Maiden Voyage

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For the past two years, the “Trading Consequences” team has been hard at work exploring how to get computers to read to historical sources and to visualise the results in ways that encourage historical inquiry.  Colin Coates and Jim Clifford worked with computational linguists at the University of Edinburgh (Prof. Ewan Klein, Claire Grover and Beatrice Alexander, Clare Llewellyn), computer scientists at the University of St Andrew’s (Prof. Aaron Quigley, Uta Kinrichs), and the team at EDINA (Nicola Osborne, James Reid, Ian Fieldhouse).  From our historians’ perspective, we wanted to explore the vast amounts of digitised texts from the nineteenth century to reveal the scope and consequences of commodity trade.

This is all very familiar to Canadian historians, given the emphasis in our economic history on the staple trades.  According to ETF Cannabiskonsum, for the formal and informal British empire of the nineteenth century, fortunes were built on natural resources, and local populations often experienced devastating consequences.  A number of important and fascinating works on specific commodities, such as Stuart McCook’s work on coffee (McCook, 2006) or John Soluri’s study of the trade in bananas (Soluri, 2005), have revealed the complex economic and environmental impacts a single product may have.

“Trading Consequences” has created a website interface for all interested researchers to explore.  There are many functionalities in the interface that allow researchers to examine different aspects of resource trades.

As a quick example, the “Trading Consequences” website literally allows us to compare apples and oranges.  This test case shows some of the possibilities that researchers may be able to identify by using this database, as well as some of the pitfalls that we historians know exist in all types of historical research.

Trading Consequences search results, "Apple"
Trading Consequences search results, “Apple”

Both apples and oranges became the objects of substantial international trade in the nineteenth century, as in the right conditions they can remain edible despite being shipped great distances.  They are complementary fruits in many ways, as apples are grown in temperate climates whilst oranges prefer warmer conditions.  They may overlap geographically, but typically we associate different parts of the world with each fruit.  In the context of the British world, apples grew in the United Kingdom, of course, but they also came from Canada, New Zealand and the United States, among other locations.  Oranges from places like Spain, Florida or Latin America entered the United Kingdom in the nineteenth century.  The two maps which result from entering “apple” and “orange” into the database show, at a glance, how oranges appeared more often in reference to warmer zones than apples.

Trading Consequences search result "Orange"
Trading Consequences search result “Orange”

The chronological distribution of commodity mentions was roughly similar in both cases.  Increased attention from 1880 to 1900 reflects in part the expansion of the documentation in that period, but it likely also reflected growth in trade and consumption.  Historian James Murton has pointed out that regular trade in apples developed from Canada to Great Britain in the 1880s, focused primarily in Nova Scotia.  On average, one million bushels of apples reached British markets (Murton, 2012).

In contrast, both apples and oranges show sudden spikes in the 1830s, for entirely different reasons.  The spike for apples points the researcher to a useful “Report from the Selection Committee on the Fresh Fruit Trade” in 1839.  But the mid-1830s spike in oranges points instead to the activities of Orange Lodges in Ireland.  The other visualisation shows this anomaly even more clearly, as IRELAND takes on a prominence in related geographical terms in the 1830s that it did not occupy afterwards.

Trading_Ireland

This project entailed teaching computers to read as an historian might, and there are distinct advantages to being able to deal with such a wide range of documentation.  However, all historians must be critical of the sources we use. The visualisations in “Trading Consequences” point towards useful sources for further study, and to suggest that historian may wish to consider some regions in their analysis.  The importance of the United States in the discussions about apples is noteworthy, for instance.  Australia has a large number of mentions of oranges, though it is important to note that a small city boasts the same name and could account for part of the number.  (Interestingly enough, Orange, New South Wales, did not grow many oranges according to the Australian Atlas 2006! But it does have apples.)

The increase in mentions of both apples and oranges from the 1880s on may reflect improving living standards in Britain in that period.  Britain’s decision to adopt free trade had led to an increase in a wide variety of imported foodstuffs (Darwin, 2009).  As the heightened attention to both apples and oranges probably shows, these fruits were part of that movement.

The “Trading Consequences” visualisations show some instructive comparisons, some that may point to different ways to conceive of trade in these resources, and others which illustrate the care with which researchers should approach results.  The interface is available at http://tradingconsequences.blogs.edina.ac.uk/access-the-data/.  Colin Coates and Jim Clifford welcome your feedback about the site – we hope that a wide range of researchers will use it.

References

John Darwin, The Empire Project: The Rise and Fall of the British World-System, 1830-1970 (Cambridge: Cambridge University Press, 2009)

Stuart McCook, “Global rust belt: Hemileia vastatrix and the ecological integration of world coffee production since 1850.” Journal of Global History 1, no. 02 (2006): 177-195.

James Murton, “John Bull and Sons: The Empire Marketing Board and the Creation of a British Imperial Food System” in Franca Iacovetta et al., eds., Edible Histories, Cultural Politics: Towards a Canadian Food History (Toronto: University of Toronto Press, 2012), 234-35.

New South Wales Government, Agriculture – Fruit and Vegetables in the Atlas of New South Wales, Available from: http://www.atlas.nsw.gov.au/public/nsw/home/topic/article/agriculture-fruit-and-vegetables.html

John Soluri, Banana Cultures: Agriculture, Consumption, and Environmental Change in Honduras and the United States. (Austin: University of Texas Press, 2005).

 

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Colin Coates

Colin Coates is Professor of Canadian Studies at Glendon College, York University.

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