BronzeWorking,5
Masonry,6
Pottery,2
TheWheel,4
WarriorCode,3
CeremonialBurial,2
IronWorking,8
Writing,5
Mysticism,3
Mathematics,10
Philosophy,32
Code of Laws,6
Literature,28
Cartography,9
Horseback Riding,6
Polytheism,5
Currency,12
The Republic,44
Monarchy,10
Construction,8
Cuneiform,4
Stone Working,2
Animal Domestication,3
Wood Working,2
Tribal Council,4
Mining,3
Irrigation,4
Sailing,3
Diplomacy,6
Chariotry,2
Astronomy,5
Oligarchy,8
Epic Work Projects,7
City Planning,9
Alchemy,8
Military Training,12
Architecture,12
Sanitation,10
Ship Building,11
Medicine,12
Horsemanship,15
Ballistics,16
Navigation,18
Monotheism,34
Drama,40