Bayan mutuwarsa, dakarun Islama sun ci nasara da yawa daga Daular Gabas da Farisa, farawa da Siriya a 634-635 kuma sun kai Masar a 640-641, Farisa tsakanin 637 da 642, Arewacin Afirka a ƙarshen ƙarni na bakwai, Abbas da yankin Iberian a 711. A shekara ta 714, dakarun Islama sun mallaki yankin da ake kira Al-Andalus, kuma aƙalla wani shugaban siyasa na Larabawa ya tuba zuwa gare shi. Kiristanci yana da manufofi masu aiki da ke fafatawa da Zoroastrianism na Farisa a neman tuba, musamman a tsakanin mazauna yankin Larabawa. Duk waɗannan sassan sun haɗu tare da fitowar Islama a Arabiya a lokacin rayuwar Muhammad (d.
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