A world organized into a dozen or so regions, which will continue to contain semi-independent nations, instead of 200-odd nations (and counting) offers considerable benefits. To highlight one, a basic social science observation is worth repeating: When dealing with a large number of people, it is useful to break the crowd into subgroups. Doing this involves letting each subgroup build an internal consensus and then send a representative to the next level, in which an encompassing consensus is worked out among the representatives (i.e., the merit of representative versus direct democracy). To illustrate the point further, imagine that there are 200 people in a room (a greatly simpler situ- ation than representatives of 200 nations) and that they are asked to agree on any matter of some com- plexity, about which they have some vested interest or emotion, or both. They would have difficulty reaching a consensus. Instead, consensus building will become much easier if those involved were divided into, say, ten smaller groups of twenty each; after each develops a consensus and then sends a representative to the next level, one would end up with a much more manageable group of ten. page 316-17 of From Empire to Community
If we accept the regional building blocks ap- proach to global community building, rather than a hasty jump from the many to the one, it is possible to imagine the formation of an additional suprare- gional level (e.g., North and South America, or the United States and the European Union in the form of a revived Atlantic Alliance). In this way, the road toward a Global Nation might be significantly eased. 317 :check: