横向
1
Freedom from outside control
7
Metal that replaced bronze in tools
8
Armed conflict between nations
9
Armored warrior of medieval times
10
Roman arena fighter
12
Exchange of goods between peoples
纵向
2
Advanced stage of human society
3
Fortified medieval residence
4
Medieval land-for-service system
5
Medieval religious military campaign
6
Belonging to a very old period
11
Uprising against authority
13
Person owned as property