The principle of self-determination is crucial in political movements as it asserts the right of a people to determine their political status and pursue their economic, social, and cultural development. This principle often motivates nationalist movements seeking autonomy or independence from larger political entities. It empowers groups to demand recognition and sovereignty, influencing international law and relations. In contemporary contexts, self-determination can lead to discussions about human rights, sovereignty, and the legitimacy of political systems imposed on diverse populations.