横向
1
Exchange of goods between peoples
4
Collection of traditional stories
5
Metal that replaced bronze in tools
6
Sudden overthrow of a government
8
Armed entry into another territory
9
Fortified medieval residence
12
Formal agreement between nations
纵向
2
Fundamental law of a nation
3
Military blockade of a fortified place
7
Military conflict or fight
9
Advanced stage of human society
10
Person with no fixed home
11
Relating to the Middle Ages
13
Practice of establishing foreign colonies
14
Territory controlled by another country