Pip: If you have ever wanted someone to untangle the historiographical knot tying slavery to capitalism — and then explain why the knot was tied wrong in the first place — freerein61 has a piece for you.
Mara: This episode follows that argument through the debate over modes of production, the American Civil War, and what it all means for how the left thinks about race and class today. Let's start with the core historical question — slavery, capitalism, and whether they belong in the same analytical box.
Slavery, Capitalism, and the Problem of Historical Categories
Pip: The question at the center of this piece is deceptively simple: was slavery a form of capitalism, or was it something structurally distinct? The answer, it turns out, has real consequences for how we understand the Civil War and racial oppression today.
Mara: The post opens by situating David McNally's book against the New Historians of Capitalism and the 1619 Project, both of which argue that American capitalism is deeply linked to racial slavery. The piece credits McNally with more precision than either — but still finds him guilty of the same core error. The charge is laid out plainly: his framework involves "collapsing slavery and capitalism into a single system."
Pip: And the stakes of that collapse are not abstract. If the two systems are the same thing, the Civil War stops making sense — there is no fundamental conflict to explain, just an internal dispute within one system.
Mara: The Marxist framework the post defends rests on distinguishing modes of production by their social relations. In slavery, the producer is property; labour-power itself is not a commodity. Marx put it directly in Capital: "the labourer himself is sold as a commodity," whereas in capitalism "the worker sells his labour-power." Those are different structures, not variations on one.
Pip: The post uses a sharp analogy to drive this home: Manchester manufacturers buying cotton from slave plantations does not make those plantations capitalist, any more than medieval merchants buying wool from feudal estates turned those estates capitalist. Exchange relations and relations of production are not the same thing.
Mara: Marx and Engels applied exactly this distinction in real time. Writing for Die Presse in 1861, Marx described the South as embodying "a specific mode of production based on slavery," and Engels called the planter class a "quasi-feudal aristocracy" with interests fundamentally opposed to the northern bourgeoisie. Their Civil War writings — over fifty articles and letters — treated the conflict as a revolutionary clash between two different social systems, not a family quarrel within one.
Pip: The political implication the post draws is pointed: if slavery is framed as capitalism, then racial oppression looks like a permanent feature of American life rather than a historically specific form of domination rooted in particular social relations — a framing that, the post argues, quietly aligns with identitarian politics rather than class analysis.
Mara: The conclusion holds McNally's book in genuine respect for its empirical depth and its engagement with Marx on primitive accumulation, while insisting that serious Marxist historiography requires keeping these categories clean. Blurring them, however well-intentioned, obscures both the revolutionary significance of emancipation and the mechanisms of oppression that followed.
Pip: Which is to say: precision in historical categories is not pedantry — it is the difference between a framework that can explain the world and one that cannot.
Mara: The thread running through all of this is that how we categorize the past shapes what we think is possible in the present.
Pip: Right — get the categories wrong and the Civil War becomes inexplicable, and the left loses its analytical footing. That tension between historical clarity and political urgency seems like exactly the kind of thing worth returning to next time.
A Trumpet of Sedition 