横向
1
Sudden overthrow of a government
5
Long and distinct period of history
6
Ancient Egyptian ruler
7
Medieval land-for-service system
8
Military blockade of a fortified place
9
Succession of rulers from same family
纵向
2
Person who buys and sells goods
3
Government elected by the people
4
Person with no fixed home
10
Fortified medieval residence
11
Legislative assembly of a country