the muslim empire came out of mecca east to india west across north africa and on into spain. where they were stopped by charles martel and his army. they spread the islamic religion by milliatary conquest and trade. the battle of tours stopped the muslim in southern frace.
the golden age was from 700-900 A.D. the muslim empire made mant contributions to our society like mathmatics, medicine, architecture, astronomy, islamic law, banking. the muslims also preserved greek and roman cultures. they also improved upon them. the muslims coqured other countries very easily because they were not afraid to die in battle.