Complex sentence: Dandolo and the Venetians considered what to do with the crusade, too small to pay its fee but disbanding it would lead to great shame upon Venice as well as the loss of significant money and trading activites.
Split into simpler sentences: Dandolo and the Venetians considered what to do with the crusade. It was too small to pay its fee, but disbanding it would lead to great shame upon Venice, as well as the loss of significant money and trading activites.