横向
1
Practice of establishing foreign colonies
2
Movement of people to new areas
6
Payment made to show submission
7
Armed entry into another territory
11
Medieval land-for-service system
纵向
2
Person who buys and sells goods
3
Person with no fixed home
4
Fortified medieval residence
5
Legislative body in ancient Rome
8
Ancient Egyptian stone monument
9
Ancient Mesoamerican civilization
10
Object made by humans from the past