Rationalism (international relations) in the context of "Political realism"

An international organization, also called an intergovernmental organization (IGO) or an international institution, is an association of states established by a treaty or other type of instrument governed by international law to pursue the common aim of its member states. An IGO possesses its own legal personality separate from its member states and can enter into legally binding agreements with other IGOs or with other states. The United Nations, Council of Europe, African Union, Organization of American States, North Atlantic Treaty Organization, Mercosur, and BRICS are examples of IGOs. International organizations are composed of primarily member states, but may also include other entities, such as other international organizations, firms, and nongovernmental organizations. Additionally, entities may hold observer status. Under international law, although treaties are typically between states, intergovernmental organizations also have the capacity to enter into treaties. The traditional view was that only states were subjects of international law, but with the founding of the United Nations, that view expanded to include intergovernmental organizations.

Within the international relations literature, international organizations facilitate cooperation between states by reducing transaction costs, providing information, making commitments more credible, establishing focal points for coordination, facilitating the principle of reciprocity, extending the shadow of the future, and enabling interlinkages of issues, which raises the cost of noncompliance. States may comply with the decisions of international organizations, even when they do not want to, for rational cost-benefit calculations (to reap concrete rewards of future cooperation and avoid punishment) and normative reasons (social learning and socialization).

Realism, in international relations theory, is a theoretical framework that views world politics as an enduring competition among self-interested states vying for power and positioning within an anarchic global system devoid of a centralized authority. It centers on states as rational primary actors navigating a system shaped by power politics, national interest, and a pursuit of security and self-preservation.

Realism involves the strategic use of military force and alliances to boost global influence while maintaining a balance of power. War is seen as inevitably inherent in the anarchic conditions of world politics. Realism also emphasizes the complex dynamics of the security dilemma, where actions taken for security reasons can unintentionally lead to tensions between states.

In international relations (IR), constructivism is a social theory that asserts that significant aspects of international relations are shaped by ideational factors - i.e. the mental process of forming ideas. The most important ideational factors are those that are collectively held; these collectively held beliefs construct the interests and identities of actors. Constructivist scholarship in IR is rooted in approaches and theories from the field of sociology.

In contrast to other prominent IR approaches and theories (such as realism and rational choice), constructivists see identities and interests of actors as socially constructed and changeable; identities are not static and cannot be exogenously assumed- i.e. interpreted by reference to outside influences alone. Similar to rational choice, constructivism does not make broad and specific predictions about international relations; it is an approach to studying international politics, not a substantive theory of international politics. Constructivist analysis can only provide substantive explanations or predictions once the relevant actors and their interests have been identified, as well as the content of social structures.