The correct answer is D, as the indigenous American civilization that lived near the Andes was the Inca.
The Inca civilization was a pre-Columbian civilization of the Andean group. It began at the beginning of the 13th century in the Cusco basin in what is now Peru and then developed along the Pacific Ocean and the Andes, covering the western part of South America. At its peak, it extended from Colombia to Argentina and Chile, beyond Ecuador, Peru and Bolivia.
With what do you need help with?
The order helped by acquiring wealth to ransom Christians who were taken by Non-Christians during the crusades. Many crusaders were captured and countries had to pay huge amounts of money for them which was often not worth it. The trinity was established to help the crusaders by getting those people home.