横向
1
Relating to the Middle Ages
5
Practice of farming and growing food
6
Fortified medieval residence
9
Person who travels to discover new lands
13
Exchange of goods between peoples
纵向
1
Ancient Mesoamerican civilization
2
Military conflict or fight
3
Legislative body in ancient Rome
4
Territory controlled by another country
7
Period of ten years
8
Metal that replaced bronze in tools
10
Armed conflict between nations
11
Legislative assembly of a country
12
Person who buys and sells goods