C, the natives didn't have immunities to the diseases
The answer is "Vanilla" it goes with everything. (Cake, Root Beer, etc).
Im not one hundred percent sure but i think its to show why we have the declaration of independence.
The piece of equipment that saves his life is in fact his woven mail shirt.
(Sources: http://csis.pace.edu/grendel/projf981d/analysis.html)