I went over this but I am not sure so I am pretty sure that it is korea.
The correct answer is Siddhartha Gautama.
Gautama was born in modern day Nepal and was the son of a Chieftain. He eventually left the life of worldly possessions and went on a journey of discovery. His teachings would eventually become Buddhism and revolve around four noble truths and a path to peace and understanding.
There have been many government actions meant to help unify the nation, but the greatest was done when the Articles of Confederation were replaced by the Constitution, since this action put into place a much stronger-central government and "united" the states.
I think it's all of them except the first one, Germany was not occupied by the allies :)
http://www.bbc.co.uk/schools/gcsebitesize/history/mwh/ir1/thetreatyrev1.shtml
