横向
1
Military conflict or fight
4
Medieval land-for-service system
5
Union formed for mutual benefit
6
Ancient Mesoamerican civilization
7
Territory controlled by another country
8
Formal agreement between nations
9
Practice of farming and growing food
14
Ancient Egyptian picture writing
15
Object made by humans from the past
纵向
2
Succession of rulers from same family
3
Freedom from outside control
10
Advanced stage of human society
11
Legislative body in ancient Rome
12
Period of one hundred years
13
Government by the people