Through liberal lenses, cooperation is a positive-sum game which means that all participants benefit from its priviliges, outcomes. This is called as absolute gains (where all can win) opposed to the relative gains perspective of the realist assumption as regards nature of cooperation (where gains of one party mean losses for others). Opposing to the realist dedication to nation-state as the focus of analysis, in liberal view, the political processes are foci and are formed through competition and cooperation among individuals and groups as agents (representing both state and non-state actors). According to liberal writers, structural theories such as neorealism lack a theory of preferences. In this connection, realism is criticized to be incapable of explaining globalization since it ignores the transnational societal interaction among agents. On the other hand, liberalism also takes policy interdependence into consideration. This is why the neoliberal view of power politics is not only prone to studying cooperation but is also applicable to the analysis of conflict. The correct answer is C.