Spain's Efforts to Settle Remote Areas of Its Empire Was

Spain's efforts to settle remote areas of its empire was a result of

A) fear of foreign encroachment.
B) the belief that there was still undiscovered mineral wealth in these regions.
C) a resurgence in the movement to convert natives to Catholicism.
D) Spain's desire to establish ports in order to expand its trade economy.
E) a desire to document the flora and fauna of unsettled regions of the empire.