Muhammad spent many years attempting to unite disparate polytheistic Arab tribes in the power vacuum created by the fall of the [[Roman Empire]] through recitations of his epic poem, which borrowed heavily from Hebrew scriptures and dietary laws, meeting with only limited success. He was eventually driven out of Mecca by the powers that be for challenging state authority, an event known as the ''Hijra'' or "Flight from Mecca" which marks the beginning of the Islamic calendar.
Eventually Muhammad was summoned back to Mecca by a faction of sympathizers, mainly tribal family members, as political chaos engulfed the city. Muhammad conquered the city after a prolonged siege with attacks on the civilian population and hundreds of beheadings to any who refused to accept his claims to a divine mission of carrying out the will of Allah. The doctrine of abrogation (''nashk'') in Islamic scholarship teaches that the later instructions of Mohammad supersede any earlier contradictory verses in the Koran.<ref>http://www.quranicstudies.com/books/abrogation-in-the-quran-and-islamic-law/</ref> Hence was born political Islam,<ref>https://www.politicalislam.com/abrogation-and-the-koran/</ref> a doctrine of war, conquest, and [[vengeance]], over any earlier utterances which teach Islam a religion of peace. Peace only exists in Islam insofar as all Islam's enemies are subjugated.
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