I think is the answer is C
Answer:
In Ireland over consecutive years, the potato crop collapsed. Late blight, a disease that kills both the leaves and the potato plant's edible roots, or tubers, has caused crop failures.
Answer:
They are counted by people called the ECs
History was a driving force behind such migration, since humans tended to move to new territory when they lacked food, shelter, or other resources--meaning that most of the conflicts throughout history have been driven by the same forces that drove migration out of Africa.
Answer:
I'm more leaning towards C but it might be D. I'm sorry if I didn't really fjdjdbd