横向
1
Military blockade of a fortified place
5
Succession of rulers from same family
8
Long and distinct period of history
9
Medieval land-for-service system
纵向
2
Period of ten years
3
Armed entry into another territory
4
Alloy of copper and tin used in early tools
6
Advanced stage of human society
7
Armored warrior of medieval times
8
Person who travels to discover new lands