 Both were important for their saltworks and were on the inland trade waterways of the rivers Brenta and Adige.The border north of Cittanova, from where the routes to northern Europe started, was no longer defined, which led to disputes and to a long fight that doge Pietro II Orseolo (991-1009) undertook in 995–96 against the belligerent bishop of Belluno.A new tax which increased the tax burden on goods was introduced.