Atlantic slave trade - Regional Case Studies
Learn how African kingdoms drove the Atlantic slave trade, how it shaped New England and Latin American societies, and the lasting economic and cultural legacies.
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Which kingdom was known for selling war captives and performing annual sacrificial rituals on some captured individuals?
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Summary
African Kingdoms, Ethnic Groups, and Their Roles in the Atlantic Slave Trade
Overview
Between 1502 and 1853, over 173 city-states and kingdoms across Africa participated in the Atlantic slave trade. This was not a trade imposed entirely from outside: African societies themselves were deeply involved in capturing, selling, and profiting from enslaved people. Understanding African agency in this system—both their participation and their resistance—is essential to understanding how the slave trade operated.
African Kingdoms and Trade Practices
Several major African powers became central to the slave trade system. Dahomey (in present-day Benin) was one of the most notorious, systematically capturing war captives and selling them to European traders. The region became so associated with this trade that the Bight of Benin earned the grim nickname "Slave Coast" due to the volume of human cargo exported from its ports. The Khasso kingdoms similarly built their economic prosperity on participation in the slave trade, developing relationships with European traders—particularly the French.
What's important to recognize here is that these weren't passive participants. At least 68 of these African political entities functioned as organized nation-states with standing militaries. They made deliberate policy choices to engage in slave trading, often viewing it as economically rational. Some African rulers even attempted to negotiate treaties to control the flow of slaves and protect their own populations from raids by rival kingdoms seeking captives.
Slavery in Early New England
A Surprising Regional History
Many students assume slavery was primarily a Southern institution, but slavery existed throughout New England from the 17th century onward. Enslaved Africans were imported and sold in Massachusetts and other colonies, with documentation from the Massachusetts Historical Society confirming this practice. The Medford Historical Society records show that enslaved people lived and worked in towns throughout New England, not just in major ports.
New England's involvement in slavery took multiple forms:
Indigenous Enslavement: During King Philip's War (1675-1678), colonists captured Native Americans and sold many into slavery in the West Indies. This forced exile became another revenue stream for New England colonies.
African Enslavement: Colonial merchants imported enslaved Africans directly from Africa. Massachusetts merchants participated in the Atlantic slave trade, exporting enslaved people to Caribbean colonies. This trade generated significant colonial revenue.
Labor Systems: Enslaved people worked on farms, in households, and in various trades throughout New England. They formed an early Black and Indigenous presence in towns that many people today don't associate with slavery at all.
Legal and Social Dimensions
Despite occasional legislative attempts to limit the importation of enslaved people, the trade continued. The economic value of enslaved labor contributed substantially to the growth of New England towns and farms. By the 18th century, some enslaved families were able to purchase their freedom or were manumitted (freed) by their owners, though this remained rare.
Additionally, African-derived religious practices began appearing in New England households, showing how African culture persisted even in this northern context. The presence of enslaved people fundamentally shaped local labor markets and social structures.
The Atlantic Slave Trade and West African Ports
Bunce Island: A Central Hub
Bunce Island, located on the Sierra Leone River, served as one of the most important departure points for enslaved Africans bound for the Americas. The trans-Atlantic slave trade database records thousands of voyages that embarked enslaved people from Bunce Island alone. This single location exemplifies how the slave trade operated through concentrated trading posts controlled by European merchants and their African partners.
Trade Routes and Global Distribution
Enslaved Africans from West African ports were shipped to multiple destinations:
Caribbean colonies (the primary destination initially)
Brazil (which received the largest number of enslaved Africans in the Americas)
North America
South America
The Portuguese and Spanish specifically exported enslaved people from West Africa to their colonies in South America, establishing the foundation for slavery-based economies in those regions.
The scale was staggering: before 1820, roughly three times as many Africans crossed the Atlantic as Europeans. This demographic reality shaped the entire colonial world.
Along with enslaved people came African-derived religions that spread throughout the Americas, preserving African spiritual traditions in the diaspora.
Economic Consequences for West African Societies
The slave trade created a paradox: it enriched coastal African elites who acted as intermediaries between European traders and interior regions, yet it devastated African societies overall.
Depletion of Labor: Europe gained enormous wealth through the labor of enslaved Africans, while Africa lost its most valuable human resources. Historian Walter Rodney argues that European demand for enslaved people fundamentally underdeveloped African economies by creating incentives to export human labor rather than develop other forms of production and trade.
Capital Formation: Economist David Eltis emphasizes that the slave trade contributed directly to capital formation in Europe—the wealth that funded European development—while simultaneously depleting African labor resources and disrupting local economies.
Long-Term Effects: The demographic imbalance created by the slave trade persisted for generations. Regions that supplied massive numbers of enslaved people experienced population decline, labor shortages, and economic disruption that lasted well beyond the formal end of the trade.
Resistance and Abolition Efforts
Not all African responses to the slave trade were accommodation. African leaders in Sierra Leone played a key role in ending the trans-Atlantic slave trade during the late 18th century through diplomatic pressure. Additionally, the Sons of Africa—a Black abolitionist group based in Britain—campaigned actively for the termination of the trade. These efforts had impact: the 1792 Danish decision to abolish the slave trade was influenced in part by African diplomatic pressure.
Slavery in Latin America
Brazil: The Largest Destination
Brazil received the largest number of enslaved Africans in the entire Americas, creating a massive plantation economy based on enslaved labor. Enslaved Africans formed the primary labor force on Brazilian sugar plantations and later coffee plantations. The scale was enormous compared to other regions: while Argentina had a smaller African slave trade, Brazil's slave system fundamentally shaped Brazilian society and demographics in ways that persist today.
African-Derived Religions in the Americas
One of the most important cultural legacies of slavery in Latin America is the development of African-derived religions. In Brazil, practices like Candomblé and Umbanda emerged, preserving African spiritual traditions while blending them with Catholic elements introduced by European colonizers. These religions represent a form of cultural continuity and resistance—African people maintained their spiritual practices even within the oppressive system of slavery.
Economic Rationale and Social Structure
The Spanish and Portuguese justified slavery through what historians call the "practicality of slavery" argument: enslaved labor was economically rational for colonial planters seeking to maximize profits from plantation agriculture. This economic logic drove the expansion of slavery in Latin America, creating a labor system that persisted even after slavery officially ended in some regions.
Lasting Legacies
The demographic legacy of Latin American slavery remains visible today: large Afro-Brazilian and Afro-Argentine populations are direct descendants of enslaved Africans. Beyond demographics, African ancestry contributed profoundly to regional cultures through music, dance, cuisine, and religious practices. However, the historical exclusion of enslaved people from economic and social systems also created lasting economic disparities that scholars continue to document.
Flashcards
Which kingdom was known for selling war captives and performing annual sacrificial rituals on some captured individuals?
Dahomey
Which region became known as the "Slave Coast" due to its intensive export activity?
The Bight of Benin
Which kingdoms relied heavily on the slave trade for economic prosperity and engaged specifically with French traders?
The Khasso kingdoms
Before 1820, what was the ratio of Africans to Europeans crossing the Atlantic?
Roughly three times as many Africans as Europeans
Who acted as the primary intermediaries generating significant revenue from the coastal slave trade in Africa?
Coastal African elites
In which century did New England colonies begin practicing slavery?
The 17th century
To which region were Native Americans captured during King Philip’s War sold into slavery?
The West Indies
To which region did Massachusetts merchants primarily export enslaved people during the Atlantic slave trade?
The Caribbean
In which two primary sectors did the presence of enslaved people influence local labor markets in New England?
Agriculture
Domestic service
What does 18th-century documentation reveal about the potential for enslaved families in New England to gain freedom?
Some could purchase their freedom or were manumitted by owners
Which Black abolitionist group in Britain campaigned for the termination of the slave trade?
The Sons of Africa
Which country in the Americas received the largest number of enslaved Africans?
Brazil
What were the two primary types of plantations that relied on enslaved African labor in Brazil?
Sugar plantations
Coffee plantations
Where did enslaved people in Argentina typically work?
Urban households and rural estates
Which two major African-derived religions developed specifically in Brazil?
Candomblé
Umbanda
What European religious elements were blended with African beliefs to form religions like Candomblé?
Catholic elements
Quiz
Atlantic slave trade - Regional Case Studies Quiz Question 1: During King Philip’s War, what happened to some captured Native Americans?
- They were sold into slavery in the West Indies (correct)
- They were sent to European courts as diplomats
- They were freed and resettled in New England
- They were enlisted in the colonial militia
Atlantic slave trade - Regional Case Studies Quiz Question 2: Which South American country received the largest number of enslaved Africans, shaping its plantation economy?
- Brazil (correct)
- Argentina
- Chile
- Peru
During King Philip’s War, what happened to some captured Native Americans?
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Key Concepts
Slave Trade and Economy
Atlantic slave trade
Kingdom of Dahomey
Bunce Island
Brazilian slave economy
Khasso kingdoms
Slavery in the Americas
Slavery in New England
King Philip’s War
African‑derived religions in Brazil
Abolition and Historical Perspectives
Walter Rodney
Sons of Africa
Definitions
Atlantic slave trade
The trans‑Atlantic system of forcibly transporting millions of Africans to the Americas from the 16th to 19th centuries.
Kingdom of Dahomey
A West African kingdom (c. 1600‑1904) that captured war prisoners and sold them into the slave trade, sometimes sacrificing captives in rituals.
Bunce Island
A fortified slave‑trading depot on the Sierra Leone River that served as a major departure point for enslaved Africans to the New World.
Slavery in New England
The practice of owning and trading enslaved Africans and Native Americans in the New England colonies from the 17th century onward.
King Philip’s War
A 1675‑1678 conflict between New England colonists and Native American tribes, after which some captives were sold into slavery in the West Indies.
African‑derived religions in Brazil
Syncretic faiths such as Candomblé and Umbanda that blend African spiritual traditions with Catholicism, emerging among enslaved populations.
Brazilian slave economy
The plantation‑based system in Brazil that relied heavily on enslaved African labor for sugar, coffee, and other cash crops.
Walter Rodney
Guyanese historian and activist whose work argued that the Atlantic slave trade under‑developed African economies.
Sons of Africa
A Black abolitionist group in 18th‑century Britain that campaigned for the end of the trans‑Atlantic slave trade.
Khasso kingdoms
A group of West African states that depended on the slave trade for economic prosperity and engaged with French traders.