横向
1
Payment made to show submission
5
Ancient empire that conquered much of Europe
6
Territory controlled by another country
7
Government by the people
8
Legislative assembly of a country
10
Medieval land-for-service system
11
Military conflict or fight
纵向
2
Belonging to a very old period
3
Practice of farming and growing food
4
Object made by humans from the past
9
Armored warrior of medieval times
12
Large territory under one ruler
13
Ancient Mesoamerican civilization
14
Ancient Egyptian picture writing
15
Union formed for mutual benefit