Related Answers. Later in his life, influenced by the commercial journeys with his uncle, Muhammad worked as a merchant and was involved in trade between the Indian Ocean and the Mediterranean. Subscribe Now. Aside from these tribal gods, Arabs shared a common belief in a supreme deity Allah akin to "God" in English, as opposed to "god" who was however remote from their everyday concerns and thus not the object of cult or ritual. Eventually considering the words beautiful and noble, Umar converted to Islam, making his conversion public instantly.
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