Articles
It's a structure project, not an education project
Ubiquity, Volume 2006 Issue August | BY Michael de la Maza 
Full citation in the ACM Digital Library
One hundred thousand years ago hunter-gatherers lived in groups of 25 people. Five hundred years ago nation-states came into being. Supra-national entities such as the European, the United Nations, Mercosur, etc., emerged in the 20th century.
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