Midwestern Marx Institute
  • Home
  • Articles
    • All Articles
    • News
    • Politics
    • Theory
    • Book Reviews
    • Chinese Philosophy Dialogues
    • American Socialism Travels
    • Youth League
  • Books & Publications
    • All Publications
    • Journal of American Socialist Studies (JASS)
    • Dr. Riggins' Book Series >
      • Eurocommunism and the State
      • Debunking Russiagate
      • The Weather Makers
      • Essays on Bertrand Russell and Marxism
      • The Truth Behind Polls
      • Piketty's Capital in the 21st Century
      • Lenin's Materialism & Empirio-Criticism
      • Mao's Life
      • Lenin's State and Rev
      • Lenin's LWC Series
      • Anti-Dühring Series
  • Merch
  • YouTube
  • Livestream
  • Library
  • Staff
  • Contact
    • Article Submissions
    • The Marks of Capital

3/30/2026

How U.S. Merchants Ran the Cuban Slave Trade By: Alex Zambito

0 Comments

Read Now
 
Picture
If you remember your high school U.S. history (it’s ok if you don’t), you were likely taught that the United States abolished the trans-Atlantic slave trade in 1808. While this is technically true, it doesn’t mean that U.S. citizens stopped trading in the enslaved or that state power stopped being used to protect their profits. In fact, a full 25% of all enslaved Africans brought to the Americas arrived after the U.S. ban on the international slave trade.1 Throughout the first half of the 19th century, bound humans remained an important commodity in the circuit of global trade, and the U.S. merchants who engaged in this grotesque commerce used their profits to invest in banks, insurance companies, and industry. This investment helped build the financial, commercial, and industrial infrastructure that opened the doors for U.S. expansion. And the two keys to unlocking this wealth were the ready supply of the enslaved and the Spanish island 90 miles off the coast of continental North America-Cuba.

While Cuba would eventually become the world’s largest sugar producer, at the beginning of the 19th century the island was most important to the Spanish as a military outpost and waystation for ships travelling between the Americas and Spain. Two vital commodities that frequently stopped in Havana’s harbor were gold and silver extracted from mines in Spain’s other American colonies. For example, after 1765 around 243 million pesos fuertes (Spanish silver dollars) were routed through Cuba.2 This was important for U.S. merchants because in the early 19th century Spanish silver functioned as the de facto global currency accepted in most of Europe and, most importantly, accepted in the trade in Asia. With wetted lips U.S. merchants craved access to this river of riches running through Cuba. The key for siphoning off this wealth to the newly independent republic was the slave trade.
In the early years of the 19th century what emerged alongside this river of gold and silver was a plantation system devoted to the cultivation of sugar and coffee and built on the backs of enslaved workers transported from Africa. The brainchild of lawyer and sugar mill owner, Francisco Arango, Cuba’s plantation system greatly expanded due to a seismic political event in the Caribbean- the Haitian Revolution. When the Haitian Republic declared independence on January 1, 1804, Europeans lost the world’s largest producer of coffee and sugar as well as the most profitable colony on earth. The Spanish sought to supplant their losses in Hispaniola with investment in Cuba. This meant the proliferation of plantations, intensive cultivation of sugar and coffee, and, above all, the importation of thousands of the enslaved to do the work.3 With this, U.S. merchants saw their opportunity to join in on the exploitation and get their hands on some of that Spanish treasure.
​
The 19th century would be marked by an ever expanding trade between Cuba and the United States, which was facilitated by the slave trade and integration into global markets. Spanning markets from Europe to Asia, including commodities from human beings to flour, and depending on operators from smugglers to United States diplomats, this commercial circuit played an integral part in the emergence of early U.S. capitalism. To start in Cuba, there were three things U.S. merchants wanted: Spanish precious metals, sugar, and coffee. They wanted Spanish silver and gold because it could be exchanged globally and used to invest in U.S. industry or finance. They wanted sugar and coffee because these were in high demand in Europe and would give them access to European markets and centers of credit. The people in Cuban society best placed to provide them with these commodities were plantation owners. And these Cuban planters needed some things from U.S. merchants. They needed staple products like flour and consumer items like textiles, but, above all, they needed enslaved workers. Unlike the southern United States where a system of forced procreation expanded the enslaved population, it was more common for Caribbean sugar planters to work their enslaved laborers to death and replace them with fresh shipments from Africa.

This trade with Cuban planters helped open up the global market for U.S. merchants. Spanish silver acquired in Cuba could be used to purchase silks, teas, and spices from Asia; Cuban sugar and coffee were in constant demand in European markets; and all this could be accessed by the merchant willing to partake in the odious traffic of human flesh. Of course, this trade was not always conducted legally. This is where smugglers and United States diplomats came in.

The role of smugglers would appear self-explanatory. Experienced smugglers allowed U.S. merchants to avoid paying customs duties, evade Spanish trade restrictions, and continue the international slave trade even after its formal abolition. For their part, diplomats at the U.S. consulate in Havana essentially functioned as commercial agents and legal protectors for U.S. merchants and their interests. U.S. consuls like Vincent Gray used their elite connections, commercial savvyness, and legal expertise to assist U.S. merchants in skirting both Spanish and U.S. laws. If they didn’t know a way around the rules, they knew who to bribe or which powerful contacts to call on to make a problem go away. And if an issue actually made it to court, consuls could be hired to represent merchants. In 1803 Vincent Gray was handling over $300,000 in lawsuits for U.S. merchants over seized merchandise.4 Not one to miss out on the profits, in addition to his work at the consulate, Gray also worked as a slave trader for the wealthy Spanish merchant Antonio de Frias. With the right connections, Havana was a place where fortunes were made.

​U.S. consuls in Europe served a similar function. When the future president John Quincy Adams arrived as consul in St. Petersburg in 1809, he traveled aboard the Horace, a ship carrying sugar and coffee owned by New England merchant William Gray.5 This relationship would prove beneficial for both men as it boosted Gray’s profits while promoting Adams’s political career. European history buffs may remember that this was the time of Napoleon’s “continental system” which sought to blockade trade from Great Britain and the colonies. While the blockade was notoriously porous, it did have an effect on coffee and sugar prices. This meant well-placed merchants could profit at huge margins with the right information and protection. In William Gray’s case, his ship the Horace served as a courier for Adams carrying his official messages while also transporting Gray’s cargoes to and from Russia. In turn, Adams gave Gray insider information on European markets and protected his merchandise from confiscation by Russian officials. Between 1810 and 1811, Adams managed to secure the release of all of Gray’s ships that were seized in the Baltic for breaking trade restrictions. So, while merchants without these connections faced confiscation in Baltic ports, those with the inside tip from Adams profited handsomely. Meanwhile, Adams was rewarded with a $30,000 line of credit from Gray.6
Picture
Portrait of New England merchant and lieutenant governor of Massachusetts from 1810-1812 William Gray by Gilbert Stuart

Seeing the type of profits one could make with public influence, some U.S. merchants decided to cut out the middle man and leveraged their wealth into a political career. One of the most notorious slave traders of the time, Rhode Island merchant James D’Wolf, was one of these men. D’Wolf was active in Rhode Island state politics from the time he was first elected to the state House of Representatives in 1798, but he would seek national office when his interests in the slave trade were threatened by the appointment of his antislavery nemesis, Barnabas Bates, as the port collector of Bristol. D’Wolf sought and gained election to the U.S. Senate in 1820 and all it cost him was a fancy dinner for the Rhode Island legislature- a small price for possibly one of the richest men in the country at the time. (Reminder: U.S. senators were appointed by state legislatures until the passage of the 17th amendment in 1913 which began elections by popular vote.) By 1824, D’Wolf had succeeded in having Bates and threats to his illicit commerce removed.7
​

Men like D’Wolf also used their influence to shape politics beyond New England ports. Their trade was international, so they were naturally deeply invested in U.S. foreign policy. And the slave trade at this time did have potent enemies. While Great Britain would not abolish slavery until the 1830s, its growing abolitionist movement had succeeded in abolishing the slave trade in 1807, and the royal navy was becoming evermore proactive in enforcing the ban. They had even pressured the Spanish themselves to abolish the slave trade, which supposedly went into effect in 1820 but was virtually never enforced. And of course, there was the black republic of Haiti which sought to spread abolitionism in the Caribbean and beyond. Meanwhile, Spanish rule in the Americas was becoming increasingly tenuous as South and Central American colonies began declaring independence. By the 1820s, piracy off the coast of Cuba had proliferated and threatened the property of U.S. merchants which often included the enslaved. Spanish difficulties with pirates and rebellions caused many of those invested in slavery in Cuba to worry that England would seek to acquire the island and suppress piracy and the slave trade.8
Picture
What were Cuban planters and U.S. merchants to do? Some of the Creole elite in Cuba appealed to the U.S. government to annex the island. A couple men in James Monroe’s cabinet like South Carolina slaveholder and Secretary of War John C. Calhoun wanted to acquiesce, but they also knew this would likely guarantee war with Spain or Britain or both. However, others like John Quincy Adams, who had risen to become James Monroe’s Secretary of State, understood the game and knew that it depended on the maintenance of the status quo. Another war so soon after the War of 1812 was impractical and a growing abolitionist movement in the U.S. could disrupt the slave trade if the U.S. took direct control of Cuba. A Spanish government government willing to ignore the slave trade and allow growing U.S. influence and investment was ideal.9 Anyway, Adams was sure that over time Spanish control over the island would erode and it would naturally join its northern neighbor. In a letter to the U.S. minister of Spain in 1823, Adams wrote, “There are laws of political as well as of physical gravitation; and if an apple, severed by the tempest from its native tree, cannot choose but fall to the ground, Cuba, forcibly disjoined from its own unnatural connexion with Spain, and incapable of self-support, can gravitate only towards the North American Union, which, by the same law of nature, cannot cast her off from its bosom.”10

Adams’s line of thinking won the day and was integral to the decisions of U.S. policymakers to expand the navy and issue one of the nation’s most consequential declarations- the Monroe Doctrine. Merchant statesmen like James D’Wolf naturally wanted to expand the navy so it could protect their property. By the end of 1822, the U.S. navy had nine vessels deployed off the coast of Cuba to suppress piracy. By comparison, the U.S. navy only had one vessel patrolling the coast of Africa to capture slave traders. In December 1822, Congress authorized another $160,000 to the navy at the behest of president Monroe.11 U.S. priorities were clear. Enforcing its own ban on the slave trade was of little concern, while protecting the profits of wealthy merchants required prompt military action.

This naval expansion not only served to protect U.S. profits from piracy, but also backed up Monroe’s assertion of U.S. dominion over the Americas. And the fate of Cuba was at least partly on Monroe’s mind when he stated the American continents were “henceforth not to be considered as subjects for future colonization by any European powers.”12 While on its face this line might seem like a condemnation of European colonization in the Americas, Monroe was not advocating for independence for all colonies just to forestall any further European expansion or interference in the western hemisphere. Specifically, Monroe wanted to limit the penetration of British influence into what the U.S. saw as its back yard. In the case of the Spanish colonies, Monroe took pains to proclaim his government’s neutrality between the newly independent governments of the Americas and their Spanish overlords. Importantly, he did this “in hope that other powers will pursue the same course.”13 Everyone understood he was talking to the British.

These policies and practices established the contours of U.S. involvement in the slave trade for at least the next couple decades. While U.S. merchants continued to ship the enslaved from Africa to Cuba, the U.S. navy protected their cargoes from pirates and the British. Through this public-private partnership, U.S. merchants dominated the slave trade in Cuba. By the time it ended in the 1860s, U.S. ships were responsible for an estimated 63% of all enslaved persons brought to Cuba.14 Significantly, this slavemongering was not a monopoly of the South. Northern merchants played an active role in the slave trade in Cuba and even went on to invest in their own plantations there. James D’Wolf, a New Englander himself, owned three plantations in Cuba.15 The “Cuba trade” turned out to be very lucrative, and the money accumulated by U.S. merchants was then used to fuel U.S. financial and industrial development. For example, Moses Taylor, a New York sugar broker, made his fortune from Cuba, and used it to invest in banking and industry. By 1855 he was the president of the National City Bank of New York, which later became Citibank.16
​

Through this commerce Cuba played a significant role in the development of the United States, something that would make it a place of interest for U.S. policymakers to the present day. U.S. investment and influence in Cuba would only grow as the years went on and so would the wealth extracted from the island. It was the change in this relationship that was the greatest impact of the 1959 Cuban Revolution. But that’s a story for another day. 

Works Cited
Chambers, Stephen. No God But Gain: The Untold Story of Cuban Slavery, the Monroe
Doctrine, & the Making of the United States. Verso, 2015.

Ferrer, Ada. Cuba: An American History. Scribner, 2021.

Monroe, James. “Seventh Annual Message to Congress, December 2, 1823.” In the Annals of
Congress, (Senate), 18th Congress, 1st Session, pages 14, 22–23. Accessed:
https://www.archives.gov/milestone-documents/monroe-doctrine

​Pérez Jr., Louis A. Cuba in the American Imagination: Metaphor and the Imperial Ethos.
University of North Carolina Press, 2008.

1 Chambers, No God But Gain, 10.
2 Chambers, No God But Gain, 21.
3 Ferrer, Cuba, 67-69.
4 Chambers, No God But Gain, 33-35.
5 Chambers, No God But Gain, 49.
6 Chambers, No God But Gain, 54.
7 Chambers, No God But Gain, 106.
8 Chambers, No God But Gain, 108.
9 Chambers, No God But Gain, 113-114.
10 Quoted in Louis A. Pérez Jr., Cuba, 30.
11 Chambers, No God But Gain, 111.
12 James Monroe, “Seventh Annual Message.”
13 James Monroe, “Seventh Annual Message.”
14 Ferrer, Cuba, 92.
15 Ferrer, Cuba, 93.
16 Ferrer, Cuba, 93.

Originally published on SouthernCatholicWorker.

Author
Alex Zambito

Archives

March 2026
February 2026
January 2026
December 2025
November 2025
October 2025
September 2025
August 2025
July 2025
June 2025
May 2025
April 2025
March 2025
January 2025
December 2024
November 2024
October 2024
September 2024
August 2024
July 2024
June 2024
May 2024
April 2024
March 2024
February 2024
January 2024
December 2023
November 2023
October 2023
September 2023
August 2023
July 2023
June 2023
May 2023
April 2023
March 2023
February 2023
January 2023
December 2022
November 2022
October 2022
September 2022
August 2022
July 2022
June 2022
May 2022
April 2022
March 2022
February 2022
January 2022
December 2021
November 2021
October 2021
September 2021
August 2021
July 2021
June 2021
May 2021
April 2021
March 2021
February 2021
January 2021
December 2020
November 2020
October 2020
September 2020
August 2020
July 2020

Share

0 Comments



Leave a Reply.

Details

    RSS Feed

    Archives

    March 2026
    February 2026
    January 2026
    December 2025
    November 2025
    October 2025
    September 2025
    August 2025
    July 2025
    June 2025
    May 2025
    April 2025
    March 2025
    January 2025
    December 2024
    November 2024
    October 2024
    September 2024
    August 2024
    July 2024
    June 2024
    May 2024
    April 2024
    March 2024
    February 2024
    January 2024
    December 2023
    November 2023
    October 2023
    September 2023
    August 2023
    July 2023
    June 2023
    May 2023
    April 2023
    March 2023
    February 2023
    January 2023
    December 2022
    November 2022
    October 2022
    September 2022
    August 2022
    July 2022
    June 2022
    May 2022
    April 2022
    March 2022
    February 2022
    January 2022
    December 2021
    November 2021
    October 2021
    September 2021
    August 2021
    July 2021
    June 2021
    May 2021
    April 2021
    March 2021
    February 2021
    January 2021
    December 2020
    November 2020
    October 2020
    September 2020
    August 2020
    July 2020

    Categories

    All
    Aesthetics
    Afghanistan
    Althusser
    American Civil War
    American Socialism
    American Socialism Travels
    Anti Imperialism
    Anti-Imperialism
    Art
    August Willich
    Berlin Wall
    Bolivia
    Book Review
    Brazil
    Capitalism
    Censorship
    Chile
    China
    Chinese Philosophy Dialogue
    Christianity
    CIA
    Class
    Climate Change
    COINTELPRO
    Communism
    Confucius
    Cuba
    Debunking Russiagate
    Democracy
    Democrats
    DPRK
    Eco Socialism
    Ecuador
    Egypt
    Elections
    Engels
    Eurocommunism
    Feminism
    Frederick Douglass
    Germany
    Ghandi
    Global Capitalism
    Gramsci
    History
    Hunger
    Immigration
    Imperialism
    Incarceration
    Interview
    Joe Biden
    Labor
    Labour
    Lenin
    Liberalism
    Lincoln
    Linke
    Literature
    Lula Da Silva
    Malcolm X
    Mao
    Marx
    Marxism
    May Day
    Media
    Medicare For All
    Mencius
    Militarism
    MKULTRA
    Mozi
    National Affairs
    Nelson Mandela
    Neoliberalism
    New Left
    News
    Nina Turner
    Novel
    Palestine
    Pandemic
    Paris Commune
    Pentagon
    Peru Libre
    Phillip-bonosky
    Philosophy
    Political-economy
    Politics
    Pol Pot
    Proletarian
    Putin
    Race
    Religion
    Russia
    Settlercolonialism
    Slavery
    Slavoj-zizek
    Slavoj-zizek
    Social-democracy
    Socialism
    South-africa
    Soviet-union
    Summer-2020-protests
    Syria
    Theory
    The-weather-makers
    Trump
    Venezuela
    War-on-drugs
    Whatistobedone...now...likenow-now
    Wilfrid-sellers
    Worker-cooperatives
    Xunzi

All original Midwestern Marx content is under Creative Commons
(CC BY-ND 4.0) which means you can republish our work only if it is attributed properly (link the original publication to the republication) and not modified. 
Photos from U.S. Secretary of Defense, ben.kaden
  • Home
  • Articles
    • All Articles
    • News
    • Politics
    • Theory
    • Book Reviews
    • Chinese Philosophy Dialogues
    • American Socialism Travels
    • Youth League
  • Books & Publications
    • All Publications
    • Journal of American Socialist Studies (JASS)
    • Dr. Riggins' Book Series >
      • Eurocommunism and the State
      • Debunking Russiagate
      • The Weather Makers
      • Essays on Bertrand Russell and Marxism
      • The Truth Behind Polls
      • Piketty's Capital in the 21st Century
      • Lenin's Materialism & Empirio-Criticism
      • Mao's Life
      • Lenin's State and Rev
      • Lenin's LWC Series
      • Anti-Dühring Series
  • Merch
  • YouTube
  • Livestream
  • Library
  • Staff
  • Contact
    • Article Submissions
    • The Marks of Capital