Complex sentence: During a confrontation in the mosque Mohammed threatened several Quarysh men say he would bring slaughter to them which only further infuriated the Meccan polytheists who felt the only way to rid themselves of Mohammed's tyrany was to murder him.
Split into simpler sentences: During a confrontation in the Mecca mosque Mohammed threatened several Quarysh men saying he would bring slaughter to them which only further infuriated the Meccan polytheists. They felt the only way to rid themselves of Mohammed's tyranny was to murder him.