Raising livestock in the sertão is difficult because

Raising livestock in the sertão is difficult because there is little grazing land. The Sertão is one of the four sub-areas of the upper east of Brazil. Initially, the term alluded to the huge hinterlands of Asia and South America that Lusitanian wayfarers experienced.

the sunni and shai was divided because they were trying to help fuel resurgence of conflicts in the middle east and muslim countries