. "Commodities appear in the city menu after the discovery of Trade, and are used in the creation of Trade routes between cities. If a commodity is demanded by its target city, the trade value will be multiplied by its bonus value. There are 16 commodities available:"@en . "Commodities appear in the city menu after the discovery of Trade, and are used in the creation of Trade routes between cities. If a commodity is demanded by its target city, the trade value will be multiplied by its bonus value. There are 16 commodities available:"@en . . . "Commodity (Civ2)"@en .