Explanation:
I you were to cite the website, I would use Easybib, it's helped me quite a lot with that short of thing.
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.
I think it's c. He initiated it . I don't know.
but think it's right
Victory in Europe Day, generally known as V-E Day or simply V Day, was the public holiday celebrated on 8 May 1945 to mark the formal acceptance by the Allies of World War ll of Nazi Germany's unconditional surrender of its armed forces. It thus marked the end of World War ll in Europe.
Hope this helps