Answer:
Either B or C but I think its C
Explanation:
Benjamin Banneker was never enslaved so it cant be A. He was not a writer of the declaration of independence. But Banneker was a farmer a mathematician, a naturalist, and an astronomer.
Answer: it was delayed by accepting the compromise of 1850
Explanation:
The industrial revolution set the foundation for urbanization by fostering economic growth and developing employment opportunities in cities, as opposed to rural communities.
The "d. United Nations" would not be a good example of an NGO, since NGOs (non-governmental organizations) usually act independently and on a much smaller scale.