B. the Republic. found it on google.
Ports in major cities where they will be sent to work.
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.
Answer:
b because they svarcity natural resorces
Two new states were added by the year 1821. Maine was added as a free state and Missouri was added as a slave state
