Columbian Exchange Quotes, Sourced for History Class
These are quotes about the Columbian Exchange, the transfer of plants, animals, people, and diseases between the Americas and the rest of the world after 1492. They are useful for an essay, a discussion starter, or a slide in a world history unit. Each is attributed to its real source, mostly historians who study the period, and where a line is a paraphrase of a well-known idea rather than a direct quotation, the note says so.
Quotes on why the Columbian Exchange mattered
For framing the scale of the event.
“To ecologists, the Columbian Exchange is arguably the most important event since the death of the dinosaurs.”
— Charles C. Mann, 1493: Uncovering the New World Columbus Created (2011)
“The Columbian Exchange, as Crosby called it, is the reason there are tomatoes in Italy, oranges in the United States, chocolates in Switzerland, and chili peppers in Thailand.”
— Charles C. Mann, 1493
Quotes on the movement of animals and plants
For the biological side of the exchange.
“The first contingent of horses, dogs, pigs, cattle, chickens, sheep and goats arrived with Columbus on the second voyage in 1493. The animals, preyed upon by few or no American predators… reproduced rapidly.”
— Alfred W. Crosby, The Columbian Exchange: Biological and Cultural Consequences of 1492 (1972)
Quotes on disease and population
For the human cost, the deadliest part of the exchange.
The exchange of diseases was overwhelmingly one-directional: Old World pathogens such as smallpox and measles devastated Indigenous American populations, who had no prior exposure or immunity.
— a paraphrase of the central argument in Crosby’s The Columbian Exchange; not a direct quotation
Who to cite on the Columbian Exchange
The term itself was coined by the historian Alfred W. Crosby in his 1972 book, which founded the field of environmental history. Charles C. Mann’s 1493 updated and expanded Crosby’s work for a general audience three decades later. For a class essay, these two authors are the standard sources, and citing them by name and book title is stronger than quoting an unattributed line.
Be careful with quotes floating online that are attributed only to “a historian” or to Columbus himself; many are invented or misattributed. When in doubt, quote Crosby or Mann directly and give the page. For how to format those citations, see our guides to APA quote citation and block quotes in MLA, which cover the longer passages common in history papers.
FAQ
Who coined the term “Columbian Exchange”?
Historian Alfred W. Crosby, in his 1972 book The Columbian Exchange: Biological and Cultural Consequences of 1492.
What is a good quote for a Columbian Exchange essay?
Charles Mann’s line calling it “the most important event since the death of the dinosaurs” frames the scale well and is easy to source to 1493.
Are there quotes from Columbus about the exchange?
Columbus wrote journals, but he did not describe a “Columbian Exchange,” which is a modern concept. Quotes attributing that idea to him are anachronistic. Cite the historians instead.
How should I cite these in an essay?
Name the author and book, and give a page number in your citation style. For direct quotes longer than a sentence or two, use a block quote.