 Ramba uchinyora ndima iyi - Muna 1761, Alexander Dalrymple, mukuru mukuru weBritish East India Company, akaita chibvumirano naSultan weSulu chokumubvumira kutanga nzvimbo yokutengesera kuchamhembe kweBorneo, kunyange zvazvo izvi zvakanga zvichizokundikana. Pashure pokubatwa kweManila neBritainMuna 1763, maBritish akasunungura Sultan Alimuddin kubva kumaSpanish colonizers uye akamubvumidza kuti adzokere pachigaro chake; izvi zvakagamuchirwa nevanhu veSulu uye na1765, Dalrymple akakwanisa kuwana chitsuwa ichi, apedza Chibvumirano cheAlliance neCommerce naSultan weSulu nechido chaSultan Alimuddin sechiratidzo chekuonga rubatsiro rweBritish. Fekitari duku yeBritain yakabva yatangwa muna 1773 paBalambangan Island, chitsuwa chiduku chiri kure nemhenderekedzo yegungwa yokuchamhembe kweBorneo. VaBritish vakaona chitsuwa ichi senzvimbo yakakodzera kudzora nzira dzekutengeserana kuMabvazuva, inokwanisa kutsausa kutengeserana kubva kuchiteshi cheSpanish cheManila uye chiteshi cheDutch cheBatavia kunyanya nenzvimbo yayo ine hunyanzvi pakati peSouth China Sea neSulu Sea. Asi vaBritain vakasiya chitsuwa chacho makore maviri gare gare apo vapambi veSulu vakatanga kurwisa. Izvi zvakamanikidza vokuBritain kuti vatsvake utiziro muBrunei muna 1774, uye kuti vasiye kwenguva pfupi kuedza kwavo kuwana dzimwe nzvimbo dzokuvakira fekitari yacho. Kunyange zvazvo kuedza kwakaitwa muna 1803 kushandura Balambangan kuva chiteshi chemauto, vaBritain havana kutangazve dzimwe nzvimbo dzokutengeserana munharaunda yacho kusvikira Stamford Raffles atanga Singapore muna 1819. 