 Complete the following phrase:  Wellesley returned to England, arriving on 4 October, but his victory at Vimeiro was overshadowed because of the controversial terms of the Convention of Cintra, a treaty that he had signed which arranged for French troops to be evacuated back to France on Royal Navy vessels, rather than kept as prisoners, along with all their equipment, weapons and personal possessions, which included anything they might have plundered from Portugal since its 