Brazil’s foreign policy combines constitutional principles, strategic autonomy, and multilateral diplomacy. Examine its international priorities, relations with major powers, participation in BRICS, Mercosur, and the G20, and legal commitments shaping its global influence.

Nuclear deterrence seeks to prevent aggression through the threat of devastating retaliation. This article examines how deterrence theory works, the strategic logic of mutually assured destruction and second-strike capability, and the role of nuclear weapons in alliance security. It also explores Cold War history, escalation risks, contemporary nuclear rivalries, and the legal limits governing nuclear threats and use.

Hybrid warfare explained: Explore its definition, military tactics, cyber operations, real-world examples, and implications for international law.

A multipolar world is an international system in which power is distributed among several major states rather than dominated by one or two powers. This article examines the meaning and characteristics of multipolarity, its historical and contemporary examples, and the debate over whether today's international order is becoming multipolar.

The Houthis, officially known as Ansar Allah, have evolved from a Zaydi religious movement in northern Yemen into a powerful political and military organization. Their rise, relationship with Iran, territorial ambitions, and attacks on regional targets have made them central to Yemen's civil war and wider Middle Eastern conflicts.

Hard power allows states to influence international relations through military threats, economic sanctions, and conditional material incentives. Its effectiveness depends on strategic objectives, credible commitments, and political resistance. Examine its theoretical foundations, historical examples, relationship with soft power, and limits under international law.

Gunboat diplomacy uses limited naval power to advance foreign-policy objectives through pressure, signaling, or coercion. This article examines its historical development, classic episodes, and legal status under the modern UN Charter framework governing threats and uses of force.

Sovereignty is the legal authority and independence of a state, but it is not unlimited. This article explains its meaning, main forms, relationship with statehood and jurisdiction, and the limits imposed by treaties, customary international law, human rights, and the UN Charter.

Dollar diplomacy linked American capital with U.S. foreign-policy goals under President William Howard Taft. This article examines its operation in Nicaragua and China, its relationship with sovereignty and intervention, and its parallels with modern economic statecraft.

Constructivism challenges the assumption that interests, threats, and international structures have fixed meanings. It explains how norms, identities, relationships, and social practices shape state behavior, power, anarchy, and the possibility of change in world politics.

International Security extends beyond war and military power. This article explains how security studies developed, how traditional, collective, non-traditional, and human security differ, and how deterrence, alliances, securitization, and security governance shape responses to threats.

Liberalism in International Relations explains how domestic politics, economic interdependence, democratic institutions, and international organizations can shape state behavior. This article examines its intellectual foundations, major theoretical strands, empirical claims, debate with realism, and the conditions under which liberal explanations of cooperation and international order are most persuasive.

Proxy wars allow states to influence armed conflicts through local intermediaries while limiting direct military involvement. This article explains how proxy relationships work, why sponsors and local actors cooperate, how Cold War and contemporary proxy conflicts differ, and why external support does not necessarily translate into political control.

Balance of power is a central concept in international relations, describing how states respond to concentrations of power through military capabilities, alliances, deterrence, and alternative alignment strategies. This article examines its theoretical foundations, historical examples, limits, and relationship with the international legal order.

Foreign policy is the process through which states define external objectives and pursue them through diplomacy, economic statecraft, military power, and other instruments. This article explains how foreign policy is made, what shapes it, how national interests are defined, and how international law constrains state action.