2 States, Sovereignty, and Power
Learn how states and nations differ, what sovereignty means in law and practice, how national interests are defined, and why power depends on capabilities and context.
States, nations, and statehood
A is a political organization that governs a population within a territory and acts independently in relations with other states. The widely used Montevideo Convention formulation identifies four practical criteria: a permanent population, defined territory, government, and capacity to enter into relations with other states. The criteria are a guide; recognition and contested claims to statehood can remain politically disputed.
A is a community whose members share a sense of identity, often linked to history, language, or culture. A may not have its own , while one may include many national communities. A is a whose political boundaries and national identity substantially overlap.
in law and practice
is a ’s claim to supreme political authority within its territory and independence from external control. Its internal dimension concerns governing people and institutions at home; its external dimension concerns legal independence and relations with other states.
is both a legal principle and a practical question. Weak institutions, conflict, or dependence on outside support may limit a ’s ability to exercise authority. A government can be internationally recognized as independent yet have difficulty enforcing decisions across all its territory. States also accept treaty obligations that constrain their choices without automatically ending their .
International law recognizes : the UN Charter says UN members are equal in and requires members to fulfill their Charter obligations in good faith. The Charter also prohibits threats or uses of force against a ’s territorial integrity or political independence, subject to the Charter’s rules.
Legal equality does not mean equal resources, capabilities, or influence. is a principle of legal status, not a claim that every has the same practical ability to shape events.
and competing goals
are the goals leaders pursue in external affairs. Commonly cited interests include protecting the population and territory, preserving political independence, supporting economic well-being, and maintaining influence.
Which interests take priority is not fixed. Leaders, domestic groups, circumstances, and ideas about a country’s identity can all shape how interests are defined. Realist theories emphasize security, self-interest, and , but realism is an influential perspective rather than a complete account of every ’s motives.
A government might seek both affordable energy and secure supply. If those aims conflict, leaders must decide which matters more and may weigh short-term costs against long-term security.
and its sources
is the ability to shape outcomes: to influence what other actors do or what happens in a particular situation. It can operate through coercion, incentives, persuasion, or the ability to set the terms of a choice. is relational, so a resource matters insofar as it helps a achieve an objective with respect to particular actors and circumstances.
States draw on different sources of . Military capabilities may deter or defeat an attack; economic resources may support defense or create bargaining leverage; and diplomatic, technological, and cultural influence may help attract cooperation or shape preferences. Possessing a resource does not guarantee influence. For example, a large economy may not secure a desired outcome if other states resist or the resource is poorly suited to the issue.
Patterns in the
The describes how capabilities are spread among states. Analysts often call a system when one is pre-eminent, when two states dominate, and when several major powers hold substantial capabilities. These are broad analytical categories, not measures of legal status.
Different kinds of may be distributed differently. A can be militarily strong but economically dependent, for example. Changes in capabilities can alter states’ calculations about security, alliances, and influence, but they do not by themselves determine a single outcome.