The type of colonies Royal- a colony ruled by officials appointed by and responsible to the reigning sovereign of the parent state. Viceroy-a ruler exercising authority in a colony on behalf of a sovereign. Encomienda-a grant by the Spanish Crown to a colonist in America conferring the right to demand tribute and forced labor from the Indian inhabitants of an area.
2.) discovery of silver mines in northern Mexico prompted Spanish officials to pursue settlement of the American southwest which they call New Mexico .