横向
1
Person with no fixed home
4
Armed entry into another territory
5
Metal that replaced bronze in tools
6
Union formed for mutual benefit
11
Period of ten years
13
Formal agreement between nations
纵向
2
Person who travels to discover new lands
3
Legislative assembly of a country
7
Period of one hundred years
8
Succession of rulers from same family
9
Medieval land-for-service system
10
Handwritten historical document
12
Alloy of copper and tin used in early tools