But Genoa's 1381 participation in the ruinous Chioggia War on the Venetian lagoon exhausted its resources.
Genoa was exhausted by the Chioggia War.
mnli hypothesis: Genoa was exhausted by the Chioggia War. premise: But Genoa's 1381 participation in the ruinous Chioggia War on the Venetian lagoon exhausted its resources.