9 This last is, of course, in accordance with that final, as it were, goal of missionary efforts, namely, that "the Church should be solidly established among other peoples, and a Hierarchy given to them chosen from among their own sons." In accordance with this policy the new Churches of Africa are taking their legitimate place in the great Catholic family, while the rest of the faithful who have preceded them in embracing the faith unite with them in brotherly love and welcome them enthusiastically.
Source: Fidei Donum (Vatican.va)