<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Sovereignty is the full right and power of a governing body over 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 . </P> <P> The concepts of sovereignty have been discussed throughout history, and are still actively debated . Its definition, concept, and application has changed 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: </P>

This term means a state has supreme and absolute authority within its own borders