The correct answer is D) Seasons. Hope this helps.
A Native American uses a rifle to hunt buffalo (B). Before the Columbian Exchange, no modern weapons reached the Americas. Natives hunted with the tools and techniques they had been using for hundreds of years.
Some think it was called this because of how the skin turned dark at the late stages of the disease, but it was more likely called "Black" to reflect the dark and horrible time in history.
