横向
1
Succession of rulers from same family
5
Armed conflict between nations
6
Metal that replaced bronze in tools
7
Roman arena fighter
8
Fortified medieval residence
纵向
2
Belonging to a very old period
3
Sudden overthrow of a government
4
Medieval land-for-service system
8
Practice of establishing foreign colonies
9
Military blockade of a fortified place
10
Medieval religious military campaign
11
Fundamental law of a nation