Frictions between Islam and the West often flare up - like when when a Danish newspaper published cartoons of the Prophet Mohammed - or when Muslim girls in Europe went to school wearing veils, or new minarets in Switzerland were banned.

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"The prophet of Islam didn't have to be asked twice and we thank him for it, " the statement said.

BBC: Police outside Charlie Hebdo offices (Feb 2006)

All of this took place even as the message of the Prophet, Islam, was glorified and the physical boundaries of Islam were rapidly extended beyond the confines of Arabia into Palestine and Syria, into Africa, and into Persia.

CENTERFORSECURITYPOLICY: Muslim-on-Muslim Violence

Any depiction of Islam's prophet is considered blasphemy by many Muslims.

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