6.2 - Liberalism, interdependence and global governance

Reason, morality and the possibility of progress

Liberalism begins with the possibility that people can learn, reason and cooperate, rather than treating conflict as an unchangeable destiny. This is qualified optimism: people can act selfishly and make mistakes, but political arrangements can make peaceful behaviour more likely.

The connection with Component 1 rationalism is substantive. People capable of reason can recognise that an agreement serves their interests better than repeated confrontation. They can revise a mistaken belief, negotiate a compromise and design rules that make future promises more reliable. This supports the international liberal expectation that learning and institutions can improve relations; it does not guarantee that every calculation favours peace. Revisit reason, choice and progress.

Developmental individualism sees individuals as capable of developing their abilities and judgement. Applied as a connection, this helps explain why international liberals value education, exchange and participation: relationships can change the capacities and expectations of the people involved. It is stronger than the claim that everyone pursues a fixed immediate interest. The individualism lesson distinguishes developmental from egoistical individualism.

Morality also affects the ends pursued. Foundational equality gives individuals equal moral worth; formal equality requires equal standing under law. International liberals can therefore argue that a person's rights matter beyond their citizenship and that legal constraints should restrain arbitrary power. Equality of opportunity concerns meaningful chances to develop, not a guarantee of identical outcomes. These Component 1 equality ideas help explain international concern with rights and access to development.

Domestic liberalism primarily asks how individuals should relate to society and the state; international liberal theory asks how global relations work and can improve. Their commitments can connect, but one does not mechanically dictate the other. Nor is a sovereign state simply an individual writ large: governments represent populations imperfectly and possess very different resources.

Harmony, mutual gains and disagreements

Cooperation becomes possible when actors can improve their positions together. If two states gain from a stable trading relationship, neither needs the other's loss to benefit.

Mutual gains concern improvements for more than one participant. They need not be equal gains. International liberals emphasise that governments can value an increase in their own welfare, while realists are particularly concerned that a rival's larger gain might later become a security advantage. This difference explains why both theories can recognise a benefit from trade yet differ about whether that benefit will overcome mistrust.

The possibility of harmony and balance does not mean that all interests already fit together. Climate stability can benefit many societies, but states disagree about who should pay, how quickly emissions should fall and how responsibilities should reflect development. A liberal explanation asks how negotiations, information and rules can turn overlapping long-term interests into cooperation despite these disputes.

The Paris Agreement, adopted on 12 December 2015, provides a common framework while countries set their own national contributions. The liberal inference is that cooperation need not wait for identical interests or a world sovereign: states can create procedures around a shared problem. The existence of the agreement establishes an institutional framework, not proof that its temperature goals have been achieved.

Morality and interests can reinforce each other. Preventing severe harm to people elsewhere may be a moral goal, while limiting environmental disruption can also protect a state's economy. Calling a policy liberal does not require imagining that its authors have no interests. The explanatory question is whether cooperation changes the opportunities and incentives available.

Complex interdependence and multiple channels

Global connections link more than governments talking to governments. Firms organise production, researchers exchange knowledge, campaigners press institutions and officials cooperate across borders.

The word complex matters. First, there are multiple channels: interstate diplomacy, contacts between government agencies and transnational links among firms, groups and individuals. Second, there is no fixed rule that military security must dominate every issue. Health, finance or environmental risks may become central. Third, force can be a poor instrument for solving a problem between closely connected partners. Occupying another country does not by itself provide scientific cooperation or a reliable shared supply chain.