I believe it is C. Pancreas, as because this organ secretes digestive juices and enzymes into the small intestine
-Colonize the Incan Empire
-Bring Spanish culture to South America
-Help speed up the colonization process in South America
-created the first viceroy in South America, the viceroy of New Castile
That is if you consider this good of course
Iberian peninsula, Italian peninsula, Greece peninsula, and the Balkan peninsula