<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Ingxenye: Ngemva kokunqoba kwabo eMpini YaseHeliopolis ngoJulayi 640, nokunqotshwa kwe-Alexandria ngoNovemba 641, amabutho ama-Arabhu ayethathe lokho okwakuyisifundazwe saseRoma saseGibithe. Umbusi waseByzantium owayesanda kumiswa uConstans II wayezimisele ukuphinde athathe izwe, futhi wayala ukuba kube nemikhumbi emikhulu ethutha amabutho aye e-Aleksandriya. La mabutho, ngaphansi kukaManuel, athatha umuzi ngokuzumayo kusuka ebuthweni lawo elincane lama-Arabhu ngasekupheleni kuka-645 ekuhlaselweni kwama-amphibious. Ngakho ngo - 645 abaseByzantium babuyisa i - Alexandria okwesikhashana. Kungenzeka ukuthi ngaleso sikhathi u-Amr wayeseMecca, futhi wabizwa ngokushesha ukuba athathe umyalo wamabutho ama-Arabhu eGibhithe. Impi yenzeka edolobheni elincane eliqinisiwe laseNikiou Coptic: Pashati, cishe izingxenye ezimbili kwezintathu zendlela esuka e-Alexandria kuya eFustat, namabutho ama-Arabhu abalelwa cishe ku-15,000, ngokumelene namandla amancane aseByzantium. Ama-Arabhu anqoba, futhi amabutho aseByzantium ahoxa ngokudideka, abuyela e-Alexandria. Nakuba abaseByzantium bavala amasango ukuze bavimbe ama-Arabhu ayebajaha, umuzi wase-Alexandria wagcina uwele ezandleni zama-Arabhu, abahlasela lo muzi ngesinye isikhathi ehlobo lalowo nyaka. Ukunqotshwa kwamabutho kaManuel kwaphawula umzamo wokugcina woMbuso WaseByzantium wokuphinde uthumbe iGibhithe iminyaka engaba ngu-500, lapho kuphela uMbusi uManuel I Komnenos ethumela uhambo olwehlulekile lapho ngekhulu le-12. Umbuzo: Iqembu elikhulu lamasosha lathunyelwa kuphi ukuyofuna umhlaba?  <response>: I-Aleksandriya 