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1.5: Interdependence in global politics

Master IB Global Politics 1.5: Interdependence in global politics with notes created by examiners and strictly aligned with the syllabus.

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IB Syllabus Requirements for Interdependence in global politics

1.5.1

Global governance and international law

1.5.2

The UN

1.5.3

Achievements and limitations of the UN

1.5.4

General structure, roles and functions of the UN

1.5.1

GLOBAL GOVERNANCE AND INTERNATIONAL LAW

Interdependence and governance

Interdependence describes mutual reliance between and among groups, organizations, areas and states. It includes economic, security and sustainability dimensions. The key word is mutual: actors affect one another, but they do not necessarily depend on each other equally.

Power is the ability to effect change. Interdependence shifts power because actors can influence others through control of finance, energy, technology, markets or information. Yet dependence also brings vulnerability. An actor that controls a resource may still need another actor's market or political cooperation.

Government is a set of public institutions that exercises legally recognized authority over a political community and territory. Governance is the process by which public and private actors create, implement and review collective rules and decisions. Government mainly concerns institutions with formal authority. Governance covers more ground and can take place without one institution standing above all the participants.

Global governance is governance that deals with political issues extending across national borders through states, international organizations, courts, firms, civil-society groups and expert networks. It isn't a world government. Instead, it can be pictured as overlapping sites of authority, each with different resources and degrees of legitimacy.

National and international law

National law is a system of rules made or recognized by a state and applied primarily within its jurisdiction. Legislatures, executives, police and courts usually provide centralized procedures for creating and enforcing these rules.

International law is a system of rules and principles governing relations involving states and other recognized international actors. It operates across jurisdictions, though enforcement is comparatively decentralized. States create many of its rules, choose whether to join treaties and remain central to implementation.

The two systems develop differently as well. National law can be changed through a constitutionally authorized legislative process. International law evolves through negotiation, repeated state practice, legal interpretation and gradual acceptance of new norms. In some states, international rules enter national law automatically. Elsewhere, domestic legislation must be passed first.

International law is not simply optional. States may comply because rules have been incorporated into national law or because reciprocity makes cooperation useful. Courts or organizations may impose consequences, while breaches can bring diplomatic and reputational costs. Even so, enforcement remains selective, and powerful states may resist rules more effectively than weaker ones.

Sources of international law

The principal sources are:

  • A treaty is a formally concluded agreement governed by international law that creates commitments for its parties. For example, the Paris Agreement organizes international climate commitments while leaving much of the implementation to states.
  • International custom is a general pattern of state practice accepted as legally required. Practice by itself is not enough; states must regard it as law, rather than mere habit or convenience.
  • General principles of law are widely recognized legal principles that courts can apply when treaty and customary rules do not settle an issue. Examples include good faith or procedural fairness.
  • Judicial decisions from international, regional and national courts help identify and interpret legal rules. International judgments are not the same as legislation that binds every state, but their reasoning can influence later decisions and state conduct.
  • Scholarly writings can clarify disputed rules and organize evidence of legal practice. They are persuasive, not independently binding.

These sources operate at different scales within global governance. A Security Council decision can create obligations for UN members. Climate rules depend heavily on negotiated national commitments, while financial standards can influence states without taking the form of a treaty. Regional courts or organizations may also adopt rules that are stronger within one region than at the global level. Always ask who made the rule, whom it binds, how compliance is monitored and what happens when it is ignored.

1.5.2

THE UN

What the UN is for

The United Nations (UN) is an intergovernmental organization established by the UN Charter. Through it, member states pursue international peace and security, friendly relations, cooperation and respect for human rights. The UN provides institutions where states can negotiate and coordinate, but it is not a sovereign authority above them.

Its work runs across all three thematic studies, so UN bodies shouldn’t be memorized as an isolated list. Link each one to a political issue, then compare what it achieved with the limits created by its mandate, available resources and member-state support.

Committees, agencies and programmes

A specialized agency is an autonomous international organization connected to the UN by a formal agreement and responsible for a particular policy field. A UN programme is an operational body created and overseen within the UN system, usually funded through voluntary contributions. Committees and councils carry out narrower deliberative, supervisory or expert functions.

In rights and justice, the UN Children's Fund (UNICEF) supports child health, education and protection. Its vaccination and emergency programmes can produce material improvements in children's rights. Yet UNICEF relies heavily on voluntary funding and access granted by governments, so provision does not always match need.

In development and sustainability, the UN Environment Programme (UNEP) collects scientific evidence and helps states negotiate environmental responses. It has brought environmental risks onto the international agenda. However, it cannot force governments to adopt stronger national policies or enforce them.

The World Health Organization (WHO) is a specialized agency that coordinates surveillance, technical standards and emergency health cooperation. Its work demonstrates the importance of interdependence: infectious disease crosses borders, but effective action still relies on states sharing information and implementing advice. When states delay cooperation or challenge its recommendations, its authority weakens.

For peace and conflict, the Department of Political and Peacebuilding Affairs supports mediation, preventive diplomacy and electoral assistance. This work may ease tensions before violence escalates, though it usually depends on consent and sustained political engagement from the parties and influential states.

These bodies exercise different kinds of power. Some distribute resources; others produce expert knowledge or provide forums where norms can be debated. None should automatically be viewed as fully effective or irrelevant.

1.5.3

ACHIEVEMENTS AND LIMITATIONS OF THE UN

Grounds for judging achievement

An achievement is an outcome that substantially advances an organization's stated purposes. For the UN, this can be judged by asking whether it reduced violence, protected rights, made cooperation more durable or measurably improved life for vulnerable communities. Simply holding a meeting or adopting a resolution counts as activity; it doesn't necessarily count as achievement.

The UN has helped make multilateral diplomacy a regular part of international politics. Almost every state can use a continuing forum to debate disputes, development priorities and international norms. The UN has also established common standards such as the Universal Declaration of Human Rights. Although the declaration itself is not a treaty, it has influenced constitutions, advocacy and later legal instruments.

UN agencies have coordinated humanitarian relief and public-health campaigns on a scale that individual states would struggle to reproduce. The UN Transitional Assistance Group, for example, helped supervise Namibia's transition to independence and its elections in 1989–90. This succeeded because the mandate was workable, major external actors cooperated and the relevant local parties accepted the process. Those conditions aren't present in every conflict.

Structural and political limitations

A limitation is a constraint that reduces an actor's capacity to achieve its purposes. The UN depends on states for legal authority, funding, personnel, intelligence and access. This is its central limitation. It can coordinate action, but it has no standing military or general police force of its own.

When the interests of a permanent Security Council member or its allies are involved, the veto can block collective action. Deadlock over the war in Syria showed how disagreement among major powers could obstruct a unified response despite severe humanitarian consequences. Selective action creates a legitimacy problem too: strategic interests may lead to very different responses to similar abuses.

Peace operations may fail because mandates are weak, resources are inadequate or political leaders refuse to act. The failure to prevent the 1994 genocide against the Tutsi in Rwanda exposed what can happen when political will is limited and a peacekeeping mandate is unsuitable. Don't simply state that “the UN failed”; explain which member-state decisions and institutional constraints produced the failure.

Representation poses another difficulty. Every member has a voice in the General Assembly, but decisive security authority remains concentrated in five permanent Security Council members, reflecting the distribution of power in 1945. Funding arrangements may also give major contributors disproportionate influence. They can leave programmes vulnerable when national priorities change.

Any fair judgement has to be conditional. The UN is often effective when member states agree on objectives, provide adequate resources and accept implementation. It is weakest when major powers conflict, parties deny access or mandates promise more than states are willing to deliver. The UN therefore manages interdependence while reproducing the inequalities of power within it.

1.5.4

GENERAL STRUCTURE, ROLES AND FUNCTIONS OF THE UN

The UN Charter

The UN Charter is the constituent treaty that created the United Nations. It sets out the UN’s purposes and divides authority among its principal organs. Members commit to settling disputes peacefully and accept restrictions on the use of force, subject to specified exceptions. The Charter also authorizes collective measures to maintain international peace and security.

It protects the sovereign equality of states and generally restricts intervention in matters of domestic jurisdiction. Sovereignty is a state's independence, control over territory and ability to govern itself. This creates a built-in tension: the UN must respond to cross-border threats and human suffering, yet it remains an organization created by sovereign states.

Principal organs

All UN member states belong to the General Assembly, and each has one vote. The Assembly debates issues within the Charter, approves the regular budget and elects members to other bodies. It also makes recommendations. Its wide membership gives it representative legitimacy, although most General Assembly resolutions aren’t legally binding.

Primary responsibility for international peace and security lies with the Security Council. It has 15 members: five permanent members and ten elected members who serve two-year terms. For substantive decisions, any permanent member can use the veto to block adoption. The Council can impose sanctions, create peace operations and authorize force. Some of its decisions bind UN members.

The Economic and Social Council coordinates economic, social and development work across the UN system. Legal disputes submitted by states are decided by the International Court of Justice, which also gives advisory opinions; however, its contentious jurisdiction depends on state consent. Under the Secretary-General, the Secretariat administers UN operations. The Secretary-General also conducts diplomacy and uses public advocacy. The Trusteeship Council is still a principal organ, but it suspended regular operations after the last trust territory achieved self-government.

Authority is divided, not simply hierarchical

The General Assembly can’t order the Security Council to act, and the Security Council doesn’t control every agency and programme. Although the Court settles legal questions, it has no enforcement arm of its own. Dividing authority in this way encourages negotiation and limits centralized power. It can also lead to delay, duplication and gaps in accountability.

1.5.5

PARTICIPATION OF IGOS AND NON-STATE ACTORS IN GLOBAL GOVERNANCE

A crowded political arena

An intergovernmental organization (IGO) is an organization created principally by states, usually through an international agreement, with assigned functions and institutions that continue over time. A non-state actor is a politically relevant individual or organization that isn't a sovereign state. Examples include an NGO, corporation, social movement, expert network or city government acting internationally.

Global governance emerges from interactions between both types of actor. States negotiate rules and give them legal authority, while IGOs provide forums, expertise and monitoring. NGOs investigate issues, advocate and deliver services. Transnational corporations control investment, technology and supply chains. Communities bring local knowledge, but also bear many of the consequences of decisions. All these actors are stakeholders because an issue affects their interests, rights or welfare. Their access to decision-making, however, is far from equal.

Regional organizations

A regional organization is an IGO whose membership or main activity is concentrated in a geographical region. By adapting rules to regional conditions, these organizations may generate more trust among neighbouring states than a global body can.

The Economic Community of West African States began as an economic project and has since become an actor in regional security and constitutional governance. After The Gambia's disputed 2016 election, ECOWAS used regional mediation and the credible possibility of collective action to support the peaceful transfer of power to Adama Barrow. Even so, its influence depends on member-state unity and material capacity.

The Caribbean Community coordinates policy among mostly small states in areas including trade, diplomacy and climate advocacy. By acting together, members can increase their bargaining power in global negotiations. Differences in national priorities and uneven implementation, though, may stop regional decisions from producing uniform outcomes.

Non-state participation and accountability

Civil-society organizations can bring neglected issues onto agendas and provide evidence from affected communities. Firms may offer capital and technical expertise. They may also lobby for rules that protect their commercial advantage. Expert bodies can improve decision-making, yet their involvement may make it harder for ordinary citizens to identify who is responsible.

Participation therefore raises questions about legitimacy. Legitimacy is an actor or action being commonly considered acceptable by a population. Inclusive consultation may strengthen legitimacy, but participation becomes tokenistic when affected groups can speak without influencing the result. When evaluating an actor, ask whose knowledge counts and who controls resources. Also consider who can enforce decisions and who can hold the actor accountable.

1.5.6

COOPERATION AND COMPETITION BETWEEN POLITICAL ACTORS

Why actors cooperate

Political cooperation is coordinated action by actors pursuing an outcome they cannot achieve as effectively on their own. Interdependence often pushes actors to cooperate when problems cross borders or information needs to be shared. Common standards can also benefit those involved. Friendship isn’t necessary: rivals may work together in one policy area while competing elsewhere.

Cooperation becomes more likely when interests overlap, institutions reduce uncertainty and repeated interactions allow reciprocity. Monitoring shows whether actors are keeping their commitments. Dispute procedures can prevent a single disagreement from destroying the entire relationship.

Organizations with a specific scope can make this process more practical. The International Renewable Energy Agency helps states through energy-transition knowledge and capacity-building. In fields such as international taxation, the Organisation for Economic Co-operation and Development coordinates standards and negotiations. Specialization can strengthen expertise, though the priorities and resources of more influential members may shape these organizations’ agendas.

Why cooperation becomes competition

Political competition is an interaction in which actors pursue incompatible advantages, authority or outcomes. Interdependence can turn into rivalry when actors face scarce resources or security fears. Commercial interests and competing values can have the same effect.

Governments, for example, may agree that corporate taxation needs coordination while still competing to attract investment through lower rates or special exemptions. Energy-importing states may want a stable, affordable supply; exporting states seek greater revenue and control. Pharmaceutical firms, governments and health organizations may cooperate to develop and distribute medicines, yet still dispute intellectual-property rules, prices and access.

Institutions organize power politics rather than remove it. Voting rules and agenda-setting authority shape which preferences carry the most weight, as do finance and expertise. A useful analysis should therefore identify both the shared interest supporting cooperation and the distributional issue—who gains, pays or controls—that keeps competition alive.

1.5.7

TREATIES, COLLECTIVE SECURITY, STRATEGIC ALLIANCES AND ECONOMIC COOPERATION

Treaties

Treaties turn negotiated agreements into commitments under international law. Bilateral treaties bind two parties; multilateral treaties set rules for several parties. How well they work depends on clear obligations and monitoring, as well as domestic implementation and the costs of non-compliance.

The Convention on International Trade in Endangered Species regulates international trade in listed wildlife using national permit systems. It shows the value of treaty cooperation, but also its limits. States share a common framework, yet outcomes still rely on national enforcement, scientific capacity and control of illegal markets.

Collective security and strategic alliances

Collective security is a security arrangement in which participants agree that a threat to peace concerns the wider membership and may justify a joint response. By widening the likely response beyond a bilateral dispute, it seeks to deter aggression. The UN Charter system has global aspirations, while regional organizations may create collective mechanisms of their own.

A strategic alliance is a continuing alignment through which actors coordinate capabilities or policies against shared risks or to pursue shared geopolitical objectives. Unlike universal collective security, an alliance is usually selective. It protects or advances its members’ interests and may target an external actor.

AUKUS shows this kind of strategic alignment through defence technology and security cooperation among Australia, the United Kingdom and the United States. Supporters see it as a way to strengthen deterrence and technological capacity in the Indo-Pacific. Critics argue that it may deepen regional rivalry while privileging a narrow group of states. Cooperation inside an alliance can therefore increase insecurity beyond it.

Economic cooperation

Economic cooperation is coordinated policy through which actors manage trade, investment, production, finance or economic integration. It may be bilateral or multilateral, ranging from lower border barriers to shared regulations.

The Comprehensive and Progressive Agreement for Trans-Pacific Partnership facilitates trade among its members through tariff commitments and common rules. Its rules of origin determine which goods qualify for preferences. As a result, the agreement regulates supply chains and international production rather than simply lowering tariffs.

Deeper economic integration can expand markets and reduce transaction costs. It may also give participating states greater collective bargaining power. However, gains can be distributed unevenly, domestic producers may face greater competition and governments may have fewer policy choices. Economic cooperation responds to interdependence, but it can also create new dependence.

1.5.8

GLOBAL INTERACTIONS AND NETWORKS

Politics through connections

A global interaction is an exchange or relationship that crosses national boundaries, allowing people, resources, information or authority to move between countries. A political network consists of continuing connections among actors. These actors share information, coordinate conduct or seek influence, though they don’t necessarily belong to a single hierarchy.

Such networks connect global, regional, national and local levels. For example, national regulators may interpret a rule discussed internationally; companies then implement it, while local communities may challenge it. Influence often rests with whichever actor holds a strategic position in the network, such as a payment provider, technology platform, standards body or transport hub. Formal legal authority isn’t always what matters most.

Informal cooperation

Informal cooperation is coordinated conduct that takes place without a comprehensive binding treaty or centralized institution. Officials might share information through professional networks, while technical communities align standards. Universities and cities can establish cultural or educational links, and security agencies may work together through confidential arrangements.

The Internet Engineering Task Force develops many technical standards through an open expert process rather than intergovernmental legislation. Its work makes compatible global communications possible. However, taking part demands time and technical knowledge, so even formally open processes may favour well-resourced actors.

Through city networks, municipal governments can exchange climate policies and make shared commitments when national negotiations stall. Cultural and educational exchanges may build trust and soft power, although governments can also use them to promote preferred national narratives.

Informality allows speed, flexibility and experimentation, but it can create accountability risks. Confidential cross-border security cooperation may include transfers of detainees outside transparent judicial procedures. This can hide responsibility and weaken legal safeguards. Technical harmonization can also become political if one group’s standards determine access to markets or information.

Networks don’t abolish states. Instead, they alter how states exercise power and give firms, experts, cities and civil society additional ways to influence outcomes. When analysing a network, trace what moves through it. Identify which actors control key connections, who is excluded and where accountability ultimately rests.

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1.4 Legitimacy in global politics

1.6 Theoretical perspectives in global politics