Apparently explain the belief ofbefore the belief of Tawheed,because the good.Tawheed and the,Hereafter and other things were actually known through the messengers, but there were several reasons for explaining the belief.
The Prophets and,Messengers themselves always started their da’wah with and first of all they forbade the worship of anything other than Allah.Therefore,lt was important to understand monotheism first in religion.