What was the purpose of Spanish Governor Don Pedro de Peralta establishing churches at the center of ...

What was the purpose of Spanish Governor Don Pedro de Peralta establishing churches at the center of each pueblo (Native American community) in New Mexico?
 
  A) He established these churches so that they would become new centers of American Indian life and faith, which would help lower tensions with Indians.
  B) He founded these churches as a religious and political bulwark against encroachment by Protestant missionaries.
  C) He built the churches in order to undermine the defensibility of the pueblos for future conquests by Spanish armies.
  D) The churches were used to recruit Native Americans as laborers for the Spanish.