With many jews, christians, and muslims wanting their religions mixed in with their governments to rule over them as theocracies.. it's time to investigate these various religions. Later on we can decide if a planet full of nations ruled via different religious laws is even a good idea to begin with.
I'll start off with the youngest of the Big 3, the muslim faith.
Al-hajar Al-aswad, ie The Black Stone of Mecca.
http://www.crystalinks.com/blackstone.html
Why do these people worship a meteorite?
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Anyone else please feel free to field any questions for the faithful of the various religions.