Pope Alexander VI Established the Line of Demarcation in Order

Pope Alexander VI established the Line of Demarcation in order to

A) form closer ties between England and Spain, since those two countries would then control most of the Americas.
B) ensure that Catholicism remained the dominant religion in the region.
C) try to keep the two Catholic countries from openly fighting each other.
D) ensure that the Portuguese would not be left with nothing when Spain showed signs of settling the entire Caribbean.
E) make certain that the Spanish were able to harvest as much gold and silver as they could.