After this failure , the Spanish commander was replaced by Pedro Pablo Abarca de Bolea , Count of Aranda .
Near starvation , the Spaniards tried to conquer Oporto quickly , but were defeated in the battle of the Douro and at Montalegre before retreating to Spain .
After this failure , the Spain commander was replaced by Pedro Pablo Abarca de Bolea , Count of Aranda .
Near starvation , the Spaniards tried to conquer Oporto quickly , but were defeated in the battle of the Douro and at Montalegre before retreating to Spain .