EDUCATION SUBJECT ATLAS · INTERNATIONAL RELATIONS
What Is International Relations?
International relations is the study of how states, international organisations, firms, social movements, armed groups and other actors interact across borders. It examines power, diplomacy, war, peace, trade, law, institutions, identity, technology and the changing rules of global order.
The subject begins with a simple fact: no single government controls the whole world. Yet countries trade, negotiate, cooperate, threaten, ally, compete, borrow, sanction, migrate, exchange information and share environmental risks. International relations studies how order emerges without one universal sovereign.
International relations is the study of coordination, competition and consequence in a world where authority is divided but interdependence is real.
States
States remain central actors because they claim authority over territory and population, raise taxes, make laws, maintain armed forces and represent themselves internationally.
States differ enormously in population, wealth, military capability, institutions and geography. International analysis therefore asks not simply what states want, but what capabilities and constraints shape their choices.
Sovereignty
Sovereignty refers to authority over political territory and independence from external rule. In practice, sovereignty is constrained by treaties, markets, alliances, international law and unequal power.
A state can be legally sovereign while depending heavily on external finance, imported energy or foreign security guarantees.
Power
Power is the ability to influence outcomes. It can come from military force, economic resources, technology, geography, institutions, information, reputation or the ability to shape rules and agendas.
Power is relational. A capability matters only in relation to another actor, a particular objective and a specific context.
Hard power and soft power
Hard power uses coercive or material leverage such as military force, sanctions or economic pressure. Soft power works through attraction, legitimacy, culture and reputation.
Most real strategies mix both. Influence rarely depends on only force or only persuasion.
Foreign policy
Foreign policy is the set of choices a state makes toward external actors. It includes diplomacy, trade agreements, alliances, military posture, development aid, sanctions and participation in institutions.
Foreign policy is shaped not only by the international system but by domestic politics, leadership, bureaucracy, public opinion, economic interests and historical memory.
Diplomacy
Diplomacy is the managed communication and negotiation of relations among governments and other international actors. Diplomats gather information, represent interests, negotiate agreements and maintain channels even during disagreement.
Diplomacy matters because preventing misunderstanding can be as important as reaching agreement.
Deterrence
Deterrence aims to prevent an action by convincing another actor that the expected cost will exceed the expected benefit. Credibility, capability and communication all matter.
Deterrence can fail when signals are misunderstood, commitments are not credible or leaders calculate risk differently.
International security
International security studies war, alliances, deterrence, arms control, terrorism, cyber conflict and the protection of states and populations.
Security is broader than military defence. Energy, food, public health, critical infrastructure and climate can all create strategic vulnerabilities.
War
War is organised large-scale violence between political actors. International relations asks why wars begin, why they escalate, how they end and what institutions can reduce their likelihood.
No single cause explains every conflict. Territory, security dilemmas, regime goals, resources, nationalism, misperception and domestic politics can interact.
Security dilemma
A security dilemma arises when one state increases its security in ways that make others feel less secure. Defensive military preparations can therefore trigger arms competition even when neither side initially seeks war.
The dilemma shows why intention and perception must both be analysed.
Alliances
Alliances are agreements for cooperation, often around security. They can deter aggression, pool resources and coordinate strategy.
Alliances also create dilemmas about burden-sharing, credibility and entanglement in partners’ conflicts.
Balance of power
Balance-of-power reasoning asks how the distribution of capabilities affects stability. States may build their own strength or form alliances to prevent one actor from becoming dominant.
Balance is not automatically peaceful. Arms races and preventive fears can still produce conflict.
Realism
Realist theories emphasise power, survival and competition under international anarchy. States cannot rely completely on a higher authority for protection, so self-help and security matter.
Realism is powerful for analysing rivalry but can understate cooperation, institutions and identity in some contexts.
Liberal approaches
Liberal approaches emphasise institutions, interdependence, domestic politics and the possibility of cooperation. Repeated interaction and rules can make coordination more predictable.
Trade and institutions do not erase conflict, but they can change incentives and information.
Constructivism
Constructivist approaches emphasise ideas, identities and norms. International behaviour depends partly on how actors understand themselves and one another.
The meaning of a weapon, border or alliance can change as identities and expectations change.
International institutions
International institutions create rules, forums and procedures for cooperation. They can reduce uncertainty, coordinate standards, monitor commitments and provide dispute mechanisms.
Institutions still reflect power. Rules can constrain strong actors while also being shaped by them.
The United Nations
The United Nations provides a global forum for diplomacy, peace and security, development, humanitarian work and international cooperation.
Its effectiveness depends on member states because the organisation has authority and resources only within agreed institutional arrangements.
International law
International law governs relations among states and other actors through treaties, customary rules and institutions.
Enforcement differs from domestic law because no universal police authority exists, yet law still shapes expectations, legitimacy, reputation and institutional behaviour.
Global governance
Global governance refers to the rules and institutions through which cross-border problems are managed even without world government.
Climate, finance, health, migration, aviation, shipping, telecommunications and the internet all require coordination beyond one jurisdiction.
International political economy
International political economy studies how politics and economics interact across borders. Trade, currency, finance, investment, sanctions and development are shaped by both markets and state power.
Economic dependence can create prosperity and strategic vulnerability at the same time.
Trade
Trade allows countries to exchange goods and services across borders. It can increase efficiency and consumer choice while creating domestic winners and losers.
Trade disputes therefore combine economics with distributional politics and strategic concerns.
Sanctions
Sanctions use economic restrictions to influence behaviour. They may target states, sectors, companies or individuals.
Sanctions can signal resolve and impose cost, but effectiveness depends on enforcement, substitution, coalition support and the target’s tolerance for pain.
Development
International development studies economic growth, institutions, poverty reduction, health, education and infrastructure across unequal global conditions.
Development policy becomes international relations when aid, trade, debt, institutions and political influence interact.
Migration
Migration connects labour markets, security, citizenship, family networks and human rights. People move because of opportunity, conflict, persecution, climate and social ties.
International relations asks how states manage borders while responding to humanitarian and economic pressures.
Non-state actors
Multinational corporations, NGOs, terrorist organisations, advocacy networks, technology firms and financial institutions can shape outcomes across borders.
Some non-state actors possess resources or networks larger than those of many states, which complicates state-centred analysis.
Technology firms
Technology companies increasingly control infrastructure for communication, cloud computing, platforms, AI and cybersecurity.
This creates new questions about private power, national security and cross-border regulation.
Cyber international relations
Cyber conflict blurs peace and war because espionage, disruption and influence can occur continuously below the threshold of armed conflict.
Attribution, proportional response and private infrastructure complicate traditional security thinking.
Artificial intelligence and geopolitics
Artificial intelligence affects economic productivity, military capability, information systems and technological dependence.
Competition involves not only models but chips, energy, talent, data, cloud infrastructure, standards and supply chains.
Climate and global cooperation
Climate change creates a collective-action problem because emissions and impacts cross borders. Each state faces incentives shaped by domestic cost and global benefit.
International cooperation depends on monitoring, finance, technology transfer, trust and burden-sharing.
Global health
Disease outbreaks reveal global interdependence. Surveillance, data sharing, supply chains, research and public-health response cross national boundaries.
Health diplomacy therefore links science, institutions, sovereignty and equity.
Information and intelligence
States make decisions under uncertainty. Intelligence gathering, diplomatic reporting, open-source analysis and expert assessment try to reduce that uncertainty.
Information can still be wrong, incomplete or politically filtered. International-relations analysis must distinguish evidence from confidence and confidence from certainty.
Misperception
Leaders interpret others through incomplete information, historical analogy and assumptions. Misperception can escalate crises when defensive moves are read as offensive intentions.
Communication and signalling are therefore central to international stability.
Crisis bargaining
Crises compress time and increase uncertainty. Actors use threats, reassurance, mobilisation and negotiation to influence one another while avoiding unwanted escalation.
Crisis analysis tracks both material capability and communication.
Negotiation
International negotiation identifies interests, bargaining ranges, trade-offs and enforcement mechanisms. Agreements must survive domestic politics as well as international compromise.
Good negotiation separates stated positions from underlying interests.
International relations as a decision system
- Define the actor and objective.
- Map capabilities and constraints.
- Identify other actors and their incentives.
- Separate known facts from estimates.
- Model likely responses to each action.
- Check institutions, alliances and legal commitments.
- Estimate second-order economic and security effects.
- Identify escalation and exit pathways.
- Choose an action proportional to evidence and risk.
- Update as behaviour changes.
This operational approach fills the gap between learning theories of international relations and actually analysing a crisis or policy decision.
Scenario analysis
International outcomes are difficult to forecast because actors adapt to one another. Scenario analysis explores several plausible pathways rather than pretending one prediction is certain.
Useful scenarios identify triggers, feedback loops and indicators that distinguish one pathway from another.
Second-order effects
A policy can produce consequences beyond its immediate target. Sanctions may alter supply chains. Military deployments may affect alliances. Trade restrictions may accelerate substitution.
International analysis should therefore ask what other actors will do next, not only what the initiating actor intends.
Failure modes in international analysis
- State-only thinking: ignoring firms, networks and international organisations.
- Capability equals intention: assuming what an actor can do reveals what it plans to do.
- Static analysis: failing to model adaptation and retaliation.
- Single-theory certainty: treating one theoretical lens as universal.
- Domestic blindness: ignoring internal politics and bureaucratic constraints.
- Headline bias: focusing on visible events while missing institutions and slow structural change.
Mini case: a new trade restriction
A country restricts export of a strategic technology. Immediate analysis asks how much supply is blocked. Better analysis asks how buyers substitute, whether allies cooperate, whether domestic firms lose markets and whether competitors accelerate alternative technology.
International relations turns one policy into a network of strategic responses.
Mini case: a military exercise
One state describes a military exercise as defensive training. A neighbour sees mobilisation near its border. Both may believe their own explanation sincerely.
The analytical problem is not deciding instantly who is lying. It is identifying capability, signalling, history and how each side interprets the other.
A CivDJ model of international relations
- ENTITY: states, leaders, organisations, firms, armed groups and publics.
- STATE: capabilities, alliances, economic exposure, legitimacy, threat perception and readiness.
- OCCURRENCE: election, treaty, crisis, attack, sanction, negotiation and institutional decision.
- RELATIONSHIP: alliance, rivalry, trade, dependency, legal obligation and diplomatic recognition.
- INTENT: security, influence, prosperity, survival, prestige and domestic political goals.
- OBSERVATION: official statements, data, satellite imagery, trade flows, voting records and diplomatic behaviour.
- ARTIFACT: treaties, communiqués, sanctions lists, agreements, resolutions and intelligence assessments.
- CLAIM: judgments about intention, deterrence, stability, cooperation and risk.
- VOID: hidden intentions, incomplete intelligence, private bargaining and uncertain future reactions.
Rainbolt-style analysis asks what is happening just outside the headline: the port, supply chain, treaty clause, domestic election, undersea cable or private company that changes the strategic picture. CivDJ then rotates those clues into one system before releasing a conclusion.
How to think like an international-relations analyst
- Define actors and interests.
- Map capabilities rather than rhetoric alone.
- Separate intention from capability.
- Identify institutions and legal constraints.
- Trace economic dependencies.
- Model likely responses and counter-responses.
- Check domestic political incentives.
- Use more than one theoretical lens.
- Preserve uncertainty explicitly.
- Update as new behaviour arrives.
International relations across the learning journey
Young learners can begin with countries, cooperation, trade, conflict and international organisations. Secondary learners can study diplomacy, alliances, globalisation, security and current affairs. Advanced study adds international-relations theory, foreign-policy analysis, international law, political economy, strategic studies and research methods.
The progression is from “countries interact” to “global outcomes emerge from strategic interaction among states, institutions and networks under uncertainty.”
Why international relations belongs inside education
Students live in a world shaped by trade, migration, conflict, technology and global institutions. International-relations literacy helps them interpret events without reducing world politics to personalities or headlines.
It teaches that global problems are systems problems: every action enters a field of other actors who observe, adapt and respond.