Learning religious proselytizing from Civ 5's 'Gods and Kings' expansion

[embed=http://www.viddler.com/embed/a0ba8fbc/?f=1&autoplay=0&player=simple&secret=20881302&loop=0&nologo=0&hd=0]

Perhaps the biggest addition in Civilization 5's upcoming Gods & Kings expansion is religion. But don't go thinking it's some innocuous cultural addendum – as the Firaxis folks above explain, religion in Civ 5 is all about subjugation.