I really need to know what the answer is as well I am super confused
Answer:
D. slaves
Explanation:
During the era of European settlement between 1600 and 1820, most Africans who came to the Americas arrived as slaves. Africans began being imported from Africa especially the western part of Africa as slaves during this time and were forced to work by the Europeans in their plantations.
Aqueduct is that canal. I'd choose none of the above as the aqueducts was firstly built in ancient Rome. But there's no such option. So the closest option is the first one A.Greeks