横向
1
Advanced stage of human society
7
Fortified medieval residence
8
Deadly epidemic disease
9
Payment made to show submission
11
Government by the people
12
Medieval land-for-service system
纵向
2
Large territory under one ruler
3
Practice of farming and growing food
4
Legislative body in ancient Rome
5
Male monarch ruler
6
Legislative assembly of a country
10
Metal that replaced bronze in tools
13
Government elected by the people