C. Relative Dating is your answer I think.
Answer:
a wide spread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas and the Old World in the 15th and 16th centuries
A. Natural disasters, such as tsunamis, earthquakes, and floods
hope this helps
I’m pretty white it’s d because all were struggles of the war
Being Americans, they probably think it's either against their religion, or goes against the fifth amendment, since everything there that they don't like apparently compromises one of those two things. I wouldn't be surprised if these answers got you a mark lol