Problem: Which of the following statements is true of international institutions? a. Rules that govern most interactions in international relations are norms. b. State sovereignty severely limits the power of the UN and other international organisations. c. In recent years, some liberal democracies, which are some of the world's most powerful states, seem to want divorce themselves from international institutions. d. Since the 1950s, the number of intergovernmental organizations (IGOs) is greater than the number of states (i.e. countries in the world). e. All of these statements are true. f. All of these statements are false.