This paper is a rejoinder to Plon's critique of the social psychology of conflict published in this Journal. The rejoinder reviews the history of American social psychology, the meaning of ‘conflict resolution’, the nature of the dilemma in the Prisoner's Dilemma, and other related matters, which Plon has apparently misconstrued. The rejoinder criticizes Plon's crude ‘economic determinism’ version of Marxist theory and briefly considers the role of power in politics. The characteristics of the present author's social-psychological approach to conflict is outlined, and it is suggested that such an approach has direct relevance to the intellectual concerns of those who seek to bring about social change.