From City-State to National-State
Many explanations have been offered for why the dominant city-states of Italy declined, giving way to the larger, national states of Western Europe. Some, like World Systems theorists, have seen the decline of the Italian city-states as the result of the shift of trade from the Mediterranean to the Atlantic, while others, like Richard Lachmann, have focused on institutional arrangements that rendered these systems less resilient when faced by external threats.