<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngaphambi kokunqotshwa koMbuso WaseRoma, eBrithani nase-Ireland kwakuhlala abafuduki abangamaCeltic abavela ezwenikazi laseYurophu, kodwa labo abangazange bashiye umlando obhaliwe womthetho. Ngasekupheleni kweRiphabhuliki yaseRoma ngo-55 no-54 B.C., owayengukhomanisi nomlawuli wamabutho uJulius Caesar wahlasela iBrithani  <response>: ngesikhathi sezimpi ezibanzi zamaGaul. Lokhu akuzange kumise umsebenzi ohlala njalo, njengoba uKhesari abuyela eRoma, waba umashiqela futhi wabulawa. IRiphabhuliki yaguqulwa yaba uMbuso, lapho indlalifa kaKesari u - Augustus ithatha amandla ngo - 27 B.C. Ngaphansi kokubusa kukaClaudius, umzukulu ka-Augustus, umkakhe uLivia, iBrithani yanqotshwa kusukela ngo-43 AD. Ngaphansi komthetho-sisekelo waseRoma owawungabhalisiwe, iBrithani yaseRoma yayiphethwe umbusi, ngokuvamile owayeyilungu leSenate kodwa owayemiswa uMbusi ngenxa yomlando wabo wezempi. ILondinium yayiyinhloko-dolobha yesifundazwe enabantu abangu-60.000, futhi iBrithani yayingumphakathi onabantu abangaba yizigidi ezintathu. Umthetho wamaRoma wawusekelwe emnothweni wezigqila, futhi wawusetshenziswa kakhulu ezempi. U-Hadrian wakha udonga kusukela ngo-122 njengengxenye yemingcele yoMbuso, kodwa lokhu kwasheshe kwasuswa ngasenyakatho ngu-Antoninus Pius kusukela ngo-142. UConstantine Omkhulu wayeseYork ngo-306 lapho ehamba eyofuna isihloko sakhe sokuba uMbusi. UConstantine wahamba waya eRoma ngo - 312, futhi wakhipha uMthetho waseMilan ngo - 313. Lokhu kwabangela uchungechunge lwezenzakalo lapho iSonto laqala khona ukulawula umthetho ngokwengeziwe. Kodwa ngaphansi kokuhlaselwa njalo, uMbuso waqala ukuwa futhi iBrithani yashiywa ngo - 407. Akukho mthetho kaTheodosian owakhishwa ngo-438, noma iCorpus Juris Civilis kaJustinian I ngo-534 owafakwa emithethweni yaseBrithani. 