I think that the answer is D
The triangular trade brought alcoholism to Africa . Slavery destroyed societies and infrastructure.today it is impossible to look at pictures an see where roads and farms existed before slavery destroyed them.
D) immigrants tried to blend into American culture as quickly as possible
Actually why argue about the speed limit. It is there for everyone's protection. It is there for a good reason. So why argue about it? Yes some people don't follow it. But that is the job of a police officer not of some kids in 6th grade. My point is don't argue against it argue for it.