BronzeWorking,8
Masonry,8
Alphabet,10
Pottery,6
TheWheel,9
WarriorCode,7
CeremonialBurial,5
IronWorking,14
Writing,13
Mysticism,10
Mathematics,15
Philosophy,40
Code of Laws,21
Literature,21
Map Making,19
Horseback Riding,12
Polytheism,20
Currency,20
The Republic,45
Monarchy,33
Construction,25
Monotheism,54
Engineering,36
Education,31
Astronomy,23
Tribal Counsil,11
Oligarchy,22
Tactics,23
Military Training,32
Siege Craft,31
Imperialism,53
Medicine,40