Question

how did prophet muhammad established Islam?explain the contribution of first four coliphs in expension of islam
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Answer 1

Answer:

Muhammad created the first Islamic state when he wrote the Constitution of Medina, a formal agreement between Muhammad and all of the significant tribes and families of Medina, including Muslims, Jews, Christians, and pagans.

Uthman's most lasting contribution, however, was the recension of the Qur'an, an effort to edit variant textual traditions in order to protect a standard interpretation of the divine word. 1 He convened a committee to debate these variations and ordered canonical copies to be sent to Damascus, Mecca, Basra, and Kufa