The answer is going to be B. The native people lacked natural immunities.
The Europeans, having already been exposed to these diseases, had already built up their immune system to the diseases. The native people, on the other hand, had not been exposed to these diseases, and thus died because of it.
I hope this helps!
Answer:true
Explanation:I think it true because I looked
The name of the case was Plessy vs. Ferguson. Hope this helps :)
