横向
1
Advanced stage of human society
6
Long and distinct period of history
7
Succession of rulers from same family
8
Movement of people to new areas
10
Fortified medieval residence
纵向
2
Alloy of copper and tin used in early tools
3
Medieval land-for-service system
4
Person with no fixed home
5
Armored warrior of medieval times
9
Handwritten historical document
