sentences:  Islam has been present in Hausaland as early as the 11th century - giving rise to famous native Sufi saints and scholars such as Wali Muhammad dan Masani (d.1667) and Wali Muhammad dan Marna(d. 1655) in Katsina - mostly among long-distance traders to North Africa whom in turn had spread it to common people while the ruling class had remain largely pagan or mixed their practice of Islam with pagan practices.By the 14th Century Hausa traders were already spreading Islam across large swathe of west Africa such as Ghana, Cote d Ivoire etc..
  
  Muslim scholars of the early 19th century disapproved of the hybrid religion practiced in royal courts.A desire for reform contributed to the formation of the Sokoto Caliphate.