横向
1
Practice of farming and growing food
7
Ancient empire that conquered much of Europe
8
Payment made to show submission
9
Formal agreement between nations
10
Belonging to a very old period
11
Legislative assembly of a country
12
Union formed for mutual benefit
14
Period of ten years
纵向
2
Large territory under one ruler
3
Military conflict or fight
4
Legislative body in ancient Rome
5
Medieval land-for-service system
6
Freedom from outside control
13
Movement of people to new areas