横向
1
Fundamental law of a nation
4
Period of one hundred years
7
Person owned as property
8
Succession of rulers from same family
10
Armed entry into another territory
纵向
2
Advanced stage of human society
3
Person with no fixed home
4
Practice of establishing foreign colonies
5
Payment made to show submission
6
Medieval religious military campaign
9
Movement of people to new areas
11
Alloy of copper and tin used in early tools
12
Exchange of goods between peoples