Sovereignty

Sovereignty is understood in jurisprudence as the full right and power of a governing body to govern itself without any interference from outside sources or bodies. In political theory, sovereignty is a substantive term designating supreme authority over some polity. It is a basic principle underlying the dominant Westphalian model of state foundation.

Derived from Latin through French souveraineté, its attainment and retention, in both Chinese and Western culture, has traditionally been associated with certain moral imperatives upon any claimant.

The concept of sovereignty has been discussed throughout history, and is still actively debated It has changed in its definition, concept, and application throughout, especially during the Age of Enlightenment. The current notion of state sovereignty contains four aspects consisting of territory, population, authority and recognition. According to Stephen D. Krasner, the term could also be understood in four different ways:

Often, these four aspects all appear together, but this is not necessarily the case – they are not affected by one another, and there are historical examples of states that were non-sovereign in one aspect while at the same time being sovereign in another of these aspects. According to Immanuel Wallerstein, another fundamental feature of sovereignty is that it is a claim that must be recognised by others if it is to have any meaning: "Sovereignty is more than anything else a matter of legitimacy [...that] requires reciprocal recognition. Sovereignty is a hypothetical trade, in which two potentially conflicting sides, respecting de facto realities of power, exchange such recognitions as their least costly strategy."

The Roman jurist Ulpian observed that:

Ulpian was expressing the idea that the Emperor exercised a rather absolute form of sovereignty, although he did not use the term expressly.

Classical Ulpian's statements were known in medieval Europe, but sovereignty was an important concept in medieval times. Medieval monarchs were not sovereign, at least not strongly so, because they were constrained by, and shared power with, their feudal . Furthermore, both were strongly constrained by custom.

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