Answer:
C. New York city contains the burials of slaves from 18th century.
Step-by-step explanation:
It is a monument in New York. The site is important because it contains the remains of more than 400 Africans that were buried during 17th and 18th centuries. It is also the largest colonial era cemetery and historians claim that the site may have 10,000 to 20,000 burials. The discovery of burial ground shows the forgotten history of enslaved Africans in new York city and their role in its development. The site was declared a national landmark in 1993. It was designated a national monument in 2006.