Today's political minds assure us that the more connected societies are the less danger they pose to global stability-but is this a new idea or one that is as old as history itself? Trade networks that began as far back as human prehistory were responsible for exchanges of ideas as well as goods and the ripple effects of these networks were the expansionist compulsions of historical States and empires. These papers tell us that the civilizations of the ancient past may have had more in common with modern global enterprises than was ever before imagined. Two concepts that have great immediacy...