<prompt> Bhala okuqhubekayo kwalesi sigaba - Abathengisi baseNgilandi eLisbon babesesimweni esivelele ngokukhululeka emithethweni nasezimisweni zendawo. UStephens wasayinwa iminyaka eyisikhombisa yokufunda, kodwa ibhizinisi likamalume wakhe lahluleka futhi wathathwa njengomlingani ngumthengisi ophumelelayo, uGeorge Medley. Ngalesi sikhathi uCarvalho e Melo wayeqala ukukhuphukela emandleni futhi waqala ukungena ezingxabanweni nabathengisi abangamaNgisi. Khona-ke, ngo-1755, kwaba nokuzamazama komhlaba  <response>: ILisbon yabhujiswa futhi ingxenye enkulu yezohwebo zaseNgilandi yabhujiswa. Nokho, uCarvalho e Melo waqinisa amandla akhe ngokulawula isimo. 