Rambuchan... OK, I will finish the Philosophers Stone today and get it Uploaded.
I use the "Global" Resource to "Represent" World Knowledge, and Trade which was brought about by shipping.
I gave it Great Value...8 Shields and 8 Commerce but I reduced the appearance Ratio to 20 which only allows about 4 to 5 on a Hugh Map. I also made it necessary to have Global Strategic Resource in order to Build Nuclear Weapons.
Here is my rather short Civilopedia Entry:
#GOOD_Global
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^[Global] represents a $LINK<Strategic Resource=GCON_ResourcesS> required to build ICBMs and Japanese ICBMs.
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^Global Icons appear when your civilization discovers $LINK<Map Making=TECH_Map_Making> and can be found
on $LINK<tundra=TERR_Tundra>, $LINK<plains=TERR_Plains>, $LINK<grassland=TERR_Grassland>.
#DESC_GOOD_Global
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^Global resource Icons represent world knowledge and trade. Ship building allowed early civilizations to discover the
world and gain both knowledge and resources that furthered their development. As civilizations evolved, those that had
knowledge of the world and contact with other civilizations for trade, grew to become among the strongest and most
advanced peoples of the world. It is Only through world knowledge and trade that most modern countries of today can
build weapons of mass destruction. The most feared weapon of modern times is the Intercontinental Ballistic Missile or
ICBM. Indeed, it can be said that the Global resource is the greatest resource any civilization could have in order to
advance, compete and flourish within our world from early civilizations of old to our modern world of today.