Original: The three original settlements of Wearmouth ( Bishopwearmouth , Monkwearmouth and Sunderland ) had begun to combine , driven by the success of the port of Sunderland as well as the salt panning and the shipbuilding along the banks of the Wear .
Simplified: This was because of the success of the port of Sunderland as well as the salt panning and the shipbuilding along the banks of the Wear .