Complex sentence: A good example would be the "hub and spokes" reference, where the U.S. is the "hub" and the East Asian countries are the "spokes"; they each have a connection with the U.S. but not with each other.
Split into simpler sentences: A good example would be the "hub and spokes" reference. Where the U.S. is the "hub" and the East Asian countries are the "spokes"; they each have a connection with the U.S. but not with each other.