As we saw in the last article in this series, the central target of the revisionist attack on the revolutionary core of marxism was the latter's theory of the inevitable decline of capitalism, resulting from the irresolvable contradictions built into its relations of production. Eduard Bernstein's brand of revisionism, which Rosa Luxemburg refuted so lucidly in Social Reform or Revolution, was to a large extent based on a series of empirical observations derived from the unprecedented period of expansion and prosperity the most powerful capitalist nations lived through in the last decades of the 19th century.