Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Hondo dzeByzantine-Sassanid dzakatora nguva refu uye dzairamba dzichiwedzera dzezana remakore rechi6 nerechi7 uye kupararira kwechirwere chebubonic (chirwere chaJustinian) zvakasiya umambo hwose huviri hwakapera simba uye husina kuchengeteka mukutarisana nekuuya kwechimbichimbi uye kuwedzera kwevaArabhu. Hondo yekupedzisira pakati pehumambo hweRoma nePezhiya yakapera nekukunda kwevaByzantine: Emperor Heraclius akadzorera nzvimbo dzese dzakarasika, uye akadzorera Muchinjikwa wechokwadi kuJerusarema muna 629. Zvisinei, hapana humambo hwakapihwa mukana wekudzoka, sezvo mukati memakore mashoma vakazviwana vari mukukakavadzana nemaArabu (achangobva kubatana neIslam), iyo, sekureva kwaHoward-Johnston, "inogona kungofananidzwa netsunami yevanhu". Maererano naGeorge Liska, "kurwisana kweByzantium nePersia kwakapfuurira kwenguva refu kwakazarura nzira yeIslam". Mukupera kwema620s, Muporofita weIslam Muhammad akanga atobudirira kubatanidza chikamu chikuru cheArabia pasi pehutongi hweMuslim kuburikidza nekukunda pamwe nekuita mubatanidzwa nemadzinza akavakidzana, uye pasi pehutungamiri hwake kuti kurwisana kwekutanga kwevaMuslim neByzantine kwakaitika. Mwedzi mishomanana chete pashure pokunge Mambo Heraclius nomukuru mukuru wePersia Shahrbaraz vabvumirana pamusoro pemitemo yekubviswa kwemauto ePersia kubva kumatunhu okumabvazuva eByzantine muna 629, mauto eArabhu neByzantine akatarisana paMu'tah mukupindura kuurayiwa kwemumiriri waMuhammad pamaoko eGhassanids, umambo hweByzantine. Muhammad akafa muna 632 uye akatsiviwa naAbu Bakr, Caliph wokutanga ane kutonga kusingarambiki kweArabia Peninsula yose mushure mekubudirira kweRidda Wars, izvo zvakaguma nekusimbiswa kwenyika ine simba yeMuslim mupeninsula yose.  Mubvunzo: Ndiani akatsiva Muhammad?
Abu Bakr