The option that describes one reason Europeans were able to gain dominance over the Americas in the late 1400s and early 1500s is that European diseases killed many people in the Americas.
The reason Europeans were able to gain dominance over the Americas during the 1400s because many Americans died which reduced their number.
Therefore option B is correct because their dominance was as result of the reduction in the number of the population of the America and as a result of the resistance of the European to the diseases which make their population not to reduce as compare with the Americans.
Learn more about animism from
https://brainly.com/question/17262367
#SPJ1