While investigating the impact of Eurasian diseases in the Americas, which of the following would a historian have a difficult time determining?(1 point)

1 answer

a) The specific diseases that were brought over from Eurasia
b) The mortality rates of indigenous populations due to Eurasian diseases
c) The long-term effects of the introduction of Eurasian diseases on indigenous cultures
d) The timeline of when different diseases were introduced to the Americas