People wanted more luxuries after the crusades was over, since this was a time of great pillaging in the Middle East, although the stated goal was to re-take the Holy Land from the Muslims.
Muhammad was at his 40s when his spiritual transformation started. <u>According to Muhammad, through a vision, Allah told him to spread his faith. This experience made him believe that there was no other god like Allah and only Allah should be worshipped. </u>
The codename given for that was operation dynamo