How could one person take over the world? One thing is for certain - they would need to dominate the monetary systems around the world. In order to do that effectively. it would be simpler to convert to one unified currency system - "The Earth Credit", or "Earth Dollar", or something to that effect.

Here are some links that we've found that support our perspective:

http://www.bloomberg.com/apps/news?pid=20601085&sid=aYXu7ScpRXC4&refer=europe

http://www.singleglobalcurrency.org/default.html