From “Left-Wing” Communism: an Infantile Disorder, Chapter Four.
First and foremost, the struggle against opportunism which in 1914 definitely developed into social-chauvinism and definitely sided with the bourgeoisie, against the proletariat. Naturally, this was Bolshevism’s principal enemy within the working-class movement. It still remains the principal enemy on an international scale. The Bolsheviks have been devoting the greatest attention to this enemy. This aspect of Bolshevik activities is now fairly well known abroad too.
It was, however, different with Bolshevism’s other enemy within the working-class movement. Little is known in other countries of the fact that Bolshevism took shape, developed and became steeled in the long years of struggle against petty–bourgeois revolutionism, which smacks of anarchism, or borrows something from the latter and, in all essential matters, does not measure up to the conditions and requirements of a consistently proletarian class struggle.
Marxist theory has established—and the experience of all European revolutions and revolutionary movements has fully confirmed—that the petty proprietor, the small master (a social type existing on a very extensive and even mass scale in many European countries), who, under capitalism, always suffers oppression and very frequently a most acute and rapid deterioration in his conditions of life, and even ruin, easily goes to revolutionary extremes, but is incapable of perseverance, organisation, discipline and steadfastness.
A petty bourgeois driven to frenzy by the horrors of capitalism is a social phenomenon which, like anarchism, is characteristic of all capitalist countries. The instability of such revolutionism, its barrenness, and its tendency to turn rapidly into submission, apathy, phantasms, and even a frenzied infatuation with one bourgeois fad or another—all this is common knowledge. However, a theoretical or abstract recognition of these truths does not at all rid revolutionary parties of old errors, which always crop up at unexpected occasions, in somewhat new forms, in a hitherto unfamiliar garb or surroundings, in an unusual—a more or less unusual—situation.
Anarchism was not infrequently a kind of penalty for the opportunist sins of the working-class movement. The two monstrosities complemented each other. And if in Russia—despite the more petty-bourgeois composition of her population as compared with the other European countries—anarchism’s influence was negligible during the two revolutions (of 1905 and 1917) and the preparations for them, this should no doubt stand partly to the credit of Bolshevism, which has always waged a most ruthless and uncompromising struggle against opportunism. I say “partly”, since of still greater importance in weakening anarchism’s influence in Russia was the circumstance that in the past (the seventies of the nineteenth century) it was able to develop inordinately and to reveal its absolute erroneousness, its unfitness to serve the revolutionary class as a guiding theory.
When it came into being in 1903, Bolshevism took over the tradition of a ruthless struggle against petty-bourgeois, semi-anarchist (or dilettante-anarchist) revolutionism, a tradition which had always existed in revolutionary Social-Democracy and had become particularly strong in our country during the years 1900–03, when the foundations for a mass party of the revolutionary proletariat were being laid in Russia.
Bolshevism took over and carried on the struggle against a party which, more than any other, expressed the tendencies of petty-bourgeois revolutionism, namely, the “Socialist-Revolutionary” Party, and waged that struggle on three main issues. First, that party, which rejected Marxism, stubbornly refused (or, it might be more correct to say: was unable) to understand the need for a strictly objective appraisal of the class forces and their alignment, before taking any political action. Second, this party considered itself particularly “revolutionary”, or “Left”, because of its recognition of individual terrorism, assassination—something that we Marxists emphatically rejected. It was, of course, only on grounds of expediency that we rejected individual terrorism, whereas people who were capable of condemning “on principle” the terror of the Great French Revolution, or, in general, the terror employed by a victorious revolutionary party which is besieged by the bourgeoisie of the whole world, were ridiculed and laughed to scorn by Plekhanov in 1900–03, when he was a Marxist and a revolutionary. Third, the “Socialist-Revolutionaries” thought it very “Left” to sneer at the comparatively insignificant opportunist sins of the German Social-Democratic Party, while they themselves imitated the extreme opportunists of that party, for example, on the agrarian question, or on the question of the dictatorship of the proletariat.
History, incidentally, has now confirmed on a vast and world-wide scale the opinion we have always advocated, namely, that German revolutionary Social-Democracy (note that as far back as 1900–03 Plekhanov demanded Bernstein’s expulsion from the Party, and in 1913 the Bolsheviks, always continuing this tradition, exposed Legien’s  baseness, vileness and treachery) came closest to being the party the revolutionary proletariat needs in order to achieve victory. Today, in 1920, after all the ignominious failures and crises of the war period and the early post-war years, it can be plainly seen that, of all the Western parties, the German revolutionary Social-Democrats produced the finest leaders, and recovered and gained new strength more rapidly than the others did. This may be seen in the instances both of the Spartacists and the Left, proletarian wing of the Independent Social-Democratic Party of Germany, which is waging an incessant struggle against the opportunism and spinelessness of the Kautskys, Hilferdings, Ledebours and Crispiens. If we now cast a glance to take in a complete historical period, namely, from the Paris Commune to the first Socialist Soviet Republic, we shall find that Marxism’s attitude to anarchism in general stands out most definitely and unmistakably. In the final analysis, Marxism proved to be correct, and although the anarchists rightly pointed to the opportunist views on the state prevalent among most of the socialist parties, it must be said, first, that this opportunism was connected with the distortion, and even deliberate suppression, of Marx’s views on the state (in my book, The State and Revolution, I pointed out that for thirty-six years, from 1875 to 1911, Bebel withheld a letter by Engels, which very clearly, vividly, bluntly and definitively exposed the opportunism of the current Social-Democratic views on the state); second, that the rectification of these opportunist views, and the recognition of Soviet power and its superiority to bourgeois parliamentary democracy proceeded most rapidly and extensively among those trends in the socialist parties of Europe and America that were most Marxist.
The full text is available at <<marxists.org>>