横向
1
Armed entry into another territory
4
Military conflict or fight
6
Long and distinct period of history
9
Person owned as property
10
Movement of people to new areas
11
Person who travels to discover new lands
12
Exchange of goods between peoples
纵向
2
Practice of establishing foreign colonies
3
Person who buys and sells goods
5
Government elected by the people
7
Belonging to a very old period
8
Medieval land-for-service system
13
Legislative body in ancient Rome