<prompt> Pedzisa mutsara unotevera:  <response>: kusvika kwevaByzantine kwakatanga nguva itsva yokubwinya. Muna 647, minda yaiva pamberi peguta yaiva nzvimbo yehondo huru pakati pevaByzantine nemaBerber aGregory the Patrician uye gavhuna weRashidun Caliphate weEgypt, Abdullah ibn Saad. Hondo yeSufetula yakaguma nokukunda kwakasimba kwevaMuslim, uko kwakazunungusa kutonga kweByzantium munharaunda yacho uye kwakaratidza kutanga kwekukunda kwevaMuslim kuNorth Africa. 