And yet Islam has contributed so much to the world in the fields of medicine, mathematics and literature! /s
Read “The Lost History of Christianity,” by Philip Jenkins, Harper-Collins 2008, to learn how much the Arabs’ contributions to science and literature, etc., stemmed from the Christian scholars that lived among them back in those fruitful days; and that the “Arabic” numeral system originated in India with no help from Islam, or Arabs.
You forgot astronomy and navigation...