横向
1
Medieval land-for-service system
3
Alloy of copper and tin used in early tools
5
Legislative assembly of a country
7
Succession of rulers from same family
8
Sudden overthrow of a government
纵向
2
Belonging to a very old period
4
Fortified medieval residence
6
Large territory under one ruler
9
Armed entry into another territory
10
Person with no fixed home