Question 12 refers to the image below—a 16th century image that portrays the impact of smallpox on the Aztec population.
Why did the Native American people lack immunity to European diseases?
A Unlike Europeans, indigenous peoples had not developed vaccines.
B Most Indigenous peoples did not live in urban areas and had few domesticated animals, which meant they did not develop a resistance to many animal-borne illnesses.
C Indigenous peoples were physically inferior to Europeans and often became ill.
D Indigenous peoples died because they suffered divine retribution for refusing to convert to Christianity.