How the peanut trade prolonged slavery. Source: Nature

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  • BOOK REVIEW
  • 27 June 2022

How the peanut trade prolonged slavery

The legume’s history in West Africa is intimately linked with conquest.

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An old black and white image of rows of stacked bags of peanuts at a train station
People gather among peanuts stacked for transport in Senegal in the early twentieth century.Credit: François-Edmond Fortier

Slaves for Peanuts: A Story of Conquest, Liberation, and a Crop That Changed History Jori Lewis The New Press (2022)

  • The peanuts we devour today, seeds of the legume Arachis hypogaea, originated in South America and spread around the world because of the peanut’s popularity as a snack and a source of oil. But as with many commodities, their expansion is also a story about the conquest of land and of humans.

In Slaves for Peanuts, environmental journalist Jori Lewis reveals how the rise of the peanut crop was intertwined with slavery, abolition and religious conquest in West Africa during French colonization in the nineteenth century. To unearth this history, Lewis pored over archival documents, newspapers and botanical manuscripts stored in Senegal, Gambia and France, along with oral histories and the lyrics of griots — singers revered as historians and poets in West Africa. Her drive to tell the stories of people excluded from history books stems, at least in part, she writes, from her own curiosity as an African American whose ancestors were enslaved.

The hard facts of the material are made lively through a few main characters and Lewis’s imagery as she traverses the land where the dramas of the book unfolded. “We traveled like the people whose steps we were retracing might have in the nineteenth century, in our horse cart that clip-clopped on a dirt trail toward the horizon,” she writes.

Enslaved people and the birth of epidemiology

The modern peanut dates back more than 10,000 years, to the lowlands east of the Andes Mountains, where it derived from a hybridization of two older types of peanut — possibly thanks to a chance pollination by a bee. By the time Christopher Columbus landed in the New World, people across South America were cultivating peanuts. As waves of European conquerors and clergy arrived on the continent, some returned with peanut plants as gifts for royalty waiting to learn what goods they might gain from foreign lands. It isn’t clear when A. hypogaea reached West Africa, but Lewis suggests that the crop could have been flourishing in the region by the end of the sixteenth century. The peanut succeeded in its new home thanks to the climate and the farmers’ familiarity with another crop that produces small, edible seeds in the ground: the Bambara groundnut, Vigna subterranea.

  • When the transatlantic slave trade began to wind down in the first half of the nineteenth century, French officials living in colonial outposts in what is now Senegal focused on the peanut in their search for alternative sources of revenue. Demand for vegetable oil and soap was rising in Europe, and peanuts offered a low-cost resource as long as ample supplies could be provided for a low price. Key to this was the availability of free human labour.

Legal loopholes

Lewis delves into the powerful kingdom of Kajoor, which by 1850 was producing the majority of Senegal’s peanut exports. Its peanuts were often grown by people enslaved by Africans, despite France’s formal proclamation that it would end slavery in its colonies. A series of loopholes and justifications allowed the practice to continue. For example, France determined that slavery was permissible if enslaved people were classed as ‘domestics’ or ‘servants’. French officials in the late nineteenth century wrote to their superiors in Europe about the “delicate question of captives”, Lewis reports. One official warned: “If you suppress the supply of these captives to the colonies, you will destroy farming everywhere and in short order.” He grotesquely argued that captive people had volunteered for servitude and that it would be “inhumane” to grant them freedom.

Globe to gut: inside Big Food

To meet the hunger for peanuts, France overthrew leaders who did not comply with its demands. When Kajoor’s African ruler interfered with the Europeans’ plans to build a railway through the region to export peanuts, the French military invaded violently. After burning villages, troops posted a decree stating that they had “come to carry out a great work of civilization among you”. One captain wrote to his mother describing how a Black man had burnt to death when the troops had set fire to his home. Even in some of the darkest passages, readers will find relief in Lewis’s prose. She imagines what the invading troops see: “The landscape and vegetation so riotous after the rainy season, its forests of baobab and gum trees, towering cailcedrats, brilliant green tamarinds with clusters of rusty-colored drooping fruits and the flaming blooms of flamboyant trees.”

Drive for liberty

Seeking freedom, many enslaved people fled from Kajoor and other interior regions to the French colonial outpost in Saint Louis, a series of small islands at the mouth of the Senegal River. Here, the colonial government had to make a show of supporting abolition. But it was a “false promised land”, Lewis writes, because escapees would be returned to their captors if they couldn’t establish residency in Saint Louis. One way to do that was to find Walter Samuel Taylor, one of the very few African pastors for the Paris Evangelical Missionary Society, who ran a shelter for escapees. Lewis tells the story of Moussa Sidibé, a young man whom Taylor hid until the three-month residency period had passed and he could obtain papers announcing his freedom. A striking document reproduced in the book certifies that Sidibé is “able to possess his own self”.

University of Cape Town’s battle to tackle a racist legacy

Taylor bound his drive to abolish slavery to his goals as a missionary. At an 1878 meeting of the evangelical society in France, he told the audience that granting Africans freedom would give the church a competitive edge against Muslims who were trying to win hearts and minds. He also warned that a racist approach to missionary work that denigrates African cultures is alienating. In other words, the quest for souls would be more successful if it respected people’s lives.

Still, Taylor didn’t say much about slavery in Kajoor and other peanut-producing regions — at least that was preserved in archives. Perhaps such advocacy did not seem worth the risk, given the threats he already faced to his career from some Europeans in the evangelical mission. But there is no way to know his sentiments because, as Lewis reminds us, history is only as complete as what’s left behind.

Slaves for Peanuts is a valuable addition to agricultural and West African history. But part of what makes the book for me is Lewis’s journey tracing this history in Senegal, a country she’s resided in for more than a decade. When the archives don’t contain the voices of people who tilled the land, she goes in search of stories, asking elders for the vanishing memories of those who came before. Even when she comes up empty-handed, the reader is richer because of her questions.

Nature 606, 857-858 (2022)

doi: https://doi.org/10.1038/d41586-022-01736-6

Competing Interests

The author declares no competing interests.

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