21. The US became the protecting power for the United Kingdom in Somalia after Somalia severed Northern Frontier District. 22. By the same treaty, Spain assumed the role of protecting power over the northern and southern Saharan zones. 23. After the incident, the Cuban Embassy in Santiago de Chile remained under Swedish protecting power for 18 years. 24. It is common for protecting powers to be appointed when two countries break off diplomatic relations with each other. 25. In a comprehensive mandate, the protecting power carries out most diplomatic functions on behalf of the protected state. 26. After 1945, the superpower rivalry of the Cold War led to changes in the institution of protecting power . 27. The specific responsibilities and arrangements are agreed between the protecting power , the sending state, and the host country. 28. The institution of protecting power became customary in international law but was not formalized until the Geneva Convention of 1929. 29. In July 1952 the protecting powers met at Rabat to discuss the Zone's future, agreeing to abolish it. 30. Although the bachelor class formed the military class, people placed greater stress on the protecting power of the village shrines.