Question

Why should there be a curtailment of liberty at times?

Answer 1

Answer:

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The history of freedom of movement has been framed most commonly as a narrative about the rights of individuals to enter another country or, viewed the other way around, as a story of immigration restriction. Yet, recent research into the legal regulation of movement reveals that it is as much a history of emigration restriction-curtailment of the rights of nationals to leave their own country-as it is one of migration controls by other countries. The right to enter a country is only half the story; indeed, it does not even come into play if the antecedent right to leave one's country is not respected.

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