Prologue The world of Islam has always been treated with caution by Western society, with an indifference to a sense of fear or even inferiority in some cases in the depths of history. In recent decades, things have changed dramatically, for the better when it came to the West's knowledge of one of the world's most popular religions, which has about1.6 billion followers. The religion of Islam played a unifying role in the exuberantly divided Arabian Peninsula in the 7th century BC a...