横向
1
Large territory under one ruler
3
Person with no fixed home
7
Person owned as property
9
Sudden overthrow of a government
10
Government elected by the people
11
Person who travels to discover new lands
12
Armored warrior of medieval times
纵向
2
Medieval land-for-service system
4
Advanced stage of human society
5
Male monarch ruler
6
Fortified medieval residence
8
Legislative assembly of a country