Hi, This has been idealised by some as a safeguard for European peace and the protection of the world against despotism. These unstable and temporary relationships among the states of Europe have received the name of the Balance of POwer. Is it correct to say, that 'of' in the first sentence is indicating the object of the action noted by the preceding noun 'protection', and In the second sentence it is linking the appositives 'name' and 'Balance of Power' I guess you could look at it that way.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.