The union operates through supranational and intergovernmental institutions. Political globalization began in the 20th century through intergovernmental organizations and supranational unions. Within each pillar, a different balance was struck between the supranational and intergovernmental principles. However, he opposed any development of a supranational Europe, favouring a Europe of sovereign nations. France was thus the first government to agree to surrender sovereignty in a supranational Community. The members of other supranational assemblies form national groups. The states retain the competence for adding this additional supranational competence. The Authority's principal innovation was its supranational character. This is also the case with the supranational legislature of the European Union. This view is sometimes used to justify hostility towards supranational organizations. The privacy threat posed by a supranational network is a key concern. The term supranational union has also been applied. During the 1960s, tensions began to show, with France seeking to limit supranational power. Many advertisements of supranational companies are commonly dubbed from English language advertisements. The supranational action may be time-limited.