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.
It prevented government from interfering in religion
I Believe it was president Harry S. Truman
imagine you are a king/queen and its time for you to step down as reining monarch, your mother and father are your predecesors and therefore your son or daughter would be heir, normally its the first born child