In Islam you can't really divide them(religion and state), cuz there is "Shariaa"; Its inside the core teachings of Islam .
Shariaa(Google definition) : Islamic canonical law based on the teachings of the Koran and the traditions of the Prophet (Hadith and Sunna).
Shariaa(Google definition) : Islamic canonical law based on the teachings of the Koran and the traditions of the Prophet (Hadith and Sunna).


