TO DISCUSS ‘OPPOSITION’ IN A ONE-PARTY SYSTEM, AND IN PARTICULAR in a communist one, might seem on first thought to involve a contradiction in terms. Communist governments have normally been regarded in the West as systems without opposition except in the form of illegal resistance by sections of the population to the regimes themselves. Yet Leonard Schapiro, in his foreword to the first issue of the journal, Government and Opposition, expressed the view that both government and opposition are always and at all times present (or potentially present) in every political order and referred to ‘the tentative process of loyal dissent’ becoming apparent in one-party states. A striking feature of many of the communist states since the death of Stalin has in fact been the emergence of political tendencies that can only be called ‘oppositional’, in the form either of resisting policies enacted or offered by the ruling party, or of proposing alternative courses of action. The observation of these tendencies by Western scholars, and the analysis of the experience of noncommunist states in Africa and Asia, have led to a re-examimtion of the nature of one-party states in general, and to the recognition that not only has opposition never been totally absent from communist systems, but that it has assumed more vigorous and varied forms in recent years.