The emergence of ‘civilized monarchies’, reformed European territorial states that had turned commercial, created major challenges to the old trade republics of Venice and the United Provinces. Would they perish and cease to exist, which seemed a logical corollary to the recent history of their decline, or might they be reconstituted and integrated into a new interstate system? Rather than to approach this question from the perspective of the history of political thought, which offers a range of rival outlooks on (...) this issue, the present article treats the issue more from the inside and thus connects theories about decline to their concrete manifestations and experiences; from the spheres of diplomatic tensions over unpaid debts, publishing networks and the oscillation of consular and maritime law reform between Venice and the Dutch Republic. (shrink)