Well, I cant give you the answer, but I can tell you that the Religion started in Saudia Arabia... this should give you a pretty clear hint! ;)
1:-They believe in Allah and have no doubts about His existence and sovereignty; they are deeply conscious of His presence. They believe in His messengers and scriptures, and are certain about the reality of the hereafter.
2:-They devote their worship to Allah alone.
Martin Luther led the people
