This essay explores how constructivism addresses the gaps in realism and liberalism in international relations. It discusses the shortcomings of realism and liberalism in understanding international relations and highlights the importance of non-state actors. The essay argues that constructivism provides an ideational view of international relations and emphasizes the role of ideas in shaping the world. It also examines the influence of non-state actors, such as multinational corporations and supranational organizations, in shaping state behavior. The essay concludes by highlighting the dynamic nature of international relations and the need to consider alternative possibilities.