CIVILIZATION 2
COMUNISM
ELEPHANT
CEREMONIAL BURIAL
HORSEBACK RIDING
MONARCHY
IRON CLAD
STEAM ENGINE
PHYSICS
NAVIGATION
SEAFARING
MAP MAKING
ALPHABET
POTTERY
ASTRONOMY
MYSTICISM
CEREMONIAL BURIAL
MATHEMATICS
ALPHABET
MASONRY
LITERACY
WRITING
CODE OF LAWS
INVENTION
ENGINEERING
THE WHEEL
HORSEBACK RIDING
CONSTRUCTION
MASONRY
CURRENCY
BRONZE WORKING
LITERACY
WRITING
CODE OF LAWS