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The Main Lesson of the Third Congress

Core Argument

Here, Trotsky distils the central strategic lesson of the Third Congress of the Communist International: the automatic collapse of capitalism does not guarantee the automatic victory of the proletariat. The core argument is a sharp rebuke to mechanical and fatalistic interpretations of Marxism that conflate economic decay with political insurrection. Trotsky insists that while the bourgeoisie has become a parasitic brake on production, it does not perish of its own accord. It maintains itself through the state—its army, police, courts, and press—a political superstructure that can prolong its rule for years or decades after its economic usefulness has expired. Revolution is therefore a necessity, not an inevitability.

The chapter draws its historical context from the immediate post-war period. Trotsky argues that in 1919, the bourgeoisie was in a state of extreme disorientation, its state organs shattered by war. The European proletariat could have seized power with minimal sacrifice, had it possessed a genuine revolutionary party. Instead, the working class was burdened by the parties and trade unions of the Second International, which consciously and instinctively worked to preserve capitalist society. This Social-Democratic shield gave the bourgeoisie a breathing spell. By 1921, the bourgeoisie had recovered its political nerve, stabilised its state apparatus, and deployed counter-revolutionary specialists in provocation, bribery, and the bleeding of isolated proletarian vanguards. Trotsky notes a striking paradox: while the economic crisis of 1921 is far worse than that of 1919, the political conditions for revolution have deteriorated because the bourgeoisie has rebuilt its instruments of rule.

The chapter’s polemical thrust is directed against two tendencies. The first is the overt enemy: reformism and centrism. The second, and more dangerous internal threat, is adventurism. Trotsky attacks the false theories emanating from the Vienna journal Communism: the theory of an initiating minority that shatters the wall of mass passivity through heroic action; the theory of uninterrupted offensives by the vanguard; and the theory of partial battles waged as armed insurrection. These, he argues, have nothing in common with Marxism and play directly into the hands of the bourgeoisie. He quotes Herzen’s aphorism that revolutionary subjectivism mistakes the second or fifth month of pregnancy for the ninth. The masses are not less revolutionary than in 1919, but less naive; they demand organisational guarantees of victory. The main lesson of the Third Congress is therefore that victory requires skilled conduct of battles, strategic manoeuvre, and, above all, the conquest of the majority of the working class.