What is your knowledge of the world of Islam is it a church or religion.

In the National Geographic page 192 reported the following fact. Most early Arabs were polytheistic--they believed in many gods. The Arabs trace their ancestors to Abraham and his son Ismael, who were believed to have built at Makkah  the Kabba a house of worship whose cornorstone was a sacred stone, called the Black Stone. The Arabs recognized a supreme god named Allah for God, but they also believed in other tribal gods. Page 193 "The Teachings of Muhammad