Trade Circles': Resources Needed
#1 - Iron, Pigs
#2 - Aluminum, Pigs
#3 - Gold, Iron, Lead, Marble, Water, Wheat
#4 - Iron, Marble, Lead, Gold, Oil, Rubber
#5 - Aluminum, Gold, Iron, Silver
#7 - Aluminum, Gold, Iron, Lead, Water, Wheat
#8 - Aluminum, Marble
#9 - Oil, Wheat, Aluminum +1
#10 (may be dropped)- Aluminum, Coal, Gold, Iron, Marble, Oil
#11 (TEST) - Coal, Fish, Furs, Gems, Gold, Iron, Pigs, Sugar, Wine