Decadence aspect of contemporary left communist theory. Similar to Lenin's use of it, left communists, coming from the Communist International themselves started in fact with a theory of decadence in the first place, yet the communist left sees the theory of decadence at the heart of Marx's method as well, expressed in famous works such as "The Communist Manifesto", "Grundrisse", "Das Kapital" but most significantly in "Preface to the Critique of Political Economy". Contemporary left communist theory defends that Lenin was mistaken on his definition of imperialism (although how grave his mistake was and how much of his work on imperialism
The Communist Manifesto were Spanish editions in Latin America. This uneven geographical spread in the "Manifesto"s popularity reflected the development of socialist movements in a particular region as well as the popularity of Marxist variety of socialism there. There was not always a strong correlation between a social-democratic party's strength and the "Manifesto"s popularity in that country. For instance, the German SPD printed only a few thousand copies of the "Communist Manifesto" every year, but a few hundred thousand copies of the "Erfurt Programme". Further, the mass-based social-democratic parties of the Second International did not require their rank and file to be well-versed