God never intervene in human affairs, yet he suddenly writes a book? Besides that thing is so convoluted that it makes perfect sense that the devil wanted to cause wars, hatred, split unions and destroy faiths!
You mean alquran, right?
Islam was spreading through conquest of Mecca, Babilonia, Persia, Egypt, Eastern Roman, North Africa, North India and other places.
That is why Islam is religion of violence, not true religion of peace.