横向
1
Ancient Egyptian stone monument
4
Person who travels to discover new lands
6
Person who buys and sells goods
7
Government elected by the people
9
Person owned as property
12
Exchange of goods between peoples
13
Legislative assembly of a country
纵向
2
Ancient Mesoamerican civilization
3
Period of ten years
5
Movement of people to new areas
8
Armed conflict between nations
10
Armed entry into another territory
11
Medieval land-for-service system