 He created a system of state-supported poor relief, one of the first of its kind in the late medieval world.In 1381 at Turin, he mediated between Genoa and Venice and sponsored the peace treaty which brought an end to the War of Chioggia and the larger Venetian-Genoese War.Later Amadeus would be persuaded by Antipope Clement VII to accompany Louis I, Duke of Anjou, on an expedition to Naples.