<prompt> Bhala okuqhubekayo kwalesi sigaba - Ukunqoba kweBrithani eBurma ngo-1826 kwavula isiteji sekhulu leminyaka lapho umlando wezempi waseThailand wawuzobuswa usongo lobukoloniyali baseYurophu. Nokho, ekuqaleni, ukukhathazeka kwamaSiam kwahlala kugxile kubaphikisi bawo bendabuko baseBurma naseVietnam. ISiam yangenela ukuze isekele iBrithani ngokumelene neBurma ngo-1826, kodwa ukusebenza kwayo okungaqondakali kwakhuthaza uChao Anouvong ukuba ahlasele iKorat ngokuzumayo. Ukumelana kukaLady Mo kwamenza waba iqhawe lesiko, futhi ukunqoba kukaGeneral Bodindecha eminyakeni emibili kamuva kwamenza waba umuntu obalulekile emlandweni wezempi waseThailand. Umkhankaso wakhe ophumelelayo eMpini yaseSiamese-Vietnam 1841-1845  <response>: yaqinisekisa amandla aseSiamese eCambodia. Ngo-1849, ukuwohloka kwamandla aseBurma kwakhuthaza ukuvukela phakathi kwezifundazwe zaseShan ezilawulwa yiBurma eKengtung naseChiang Hung. UChiang Hung wafuna ukwesekwa yiSiam ngokuphindaphindiwe, futhi ekugcineni iSiam yaphendula ngokuthumela amabutho okuqala ngo-1852. Womabili la mabutho athola ubunzima ekulweni ezindaweni eziphakeme ezisezintabeni ezisenyakatho, futhi kwathatha kuze kube ngu-1855 ngaphambi kokuba amaSiamese ekugcineni afinyelele eKengtung, yize kwaba nzima kakhulu futhi ukuphelelwa amandla kwemithombo yamaSiamese ekugcineni kwaholela ekuhlehlisweni kwabo. Lezi zimpi zaqhubeka nokulwa ngendlela yendabuko, nezindlovu zempi ezazithunyelwe enkundleni zithwele izibhamu ezincane phakathi naleso sikhathi, ezazivame ukuba yisici esinqumayo empini. Phakathi naleso sikhathi, ubuthakathaka obubonakalayo bezempi baseChina eMpini Yokuqala neYesibili ye-Opium neBrithani futhi kamuva neFrance phakathi kwawo-1830 no-1860 bakhuthaza iSiyam ukuthi yenqabe ukubusa kwamaShayina ngawo-1850. Nokho, iSiam ngokwayo yayingaphansi kokucindezela kwezempi nokuhwebelana okuvela emibusweni yaseYurophu, futhi njengoba kubikwa ukuthi iNkosi uRama III yathi isembhedeni wokufa ngo - 1851: Ngeke siphinde sibe nezimpi neBurma neVietnam. Siyoba nazo kuphela eNtshonalanga. 