Development of the right of nations to self-determination in international law and political and legal problems of implementation of the right to self-determination in Catalonia

The article provides a brief overview of the historical and legal aspects of the formation of the principle of the right of nations to self-determination in modern international law and the political and legal problems of the implementation of the right to self-determination in Catalonia. The problem of realizing the right of nations to self-determination is complex and controversial.