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:
Congress is able to determine the number of Supreme Court judges. There have been as few as six and as many as nine at one time. A federal Supreme Court judge can only be removed from their position by retirement, death, or by impeachment.
Explanation:
The correct goverment is the last option
Answer: Child labor laws, better working conditions in factories, shorter working hours
Explanation: I hope this helps, I remember learning it