Read, read, read ...
http://www.google.com/search?q=nigeria+%22national+unity%22&aq=f&oq=nigeria+%22national+unity%22&aqs=chrome.0.57j0l2.8468j0&sourceid=chrome&ie=UTF-8
what does national unity preach.
mention 5 institutions that promote national unity.
2 answers
Social studies