横向
1
Advanced stage of human society
6
Armed conflict between nations
9
Government by the people
10
Object made by humans from the past
纵向
2
Payment made to show submission
3
Metal that replaced bronze in tools
4
Practice of farming and growing food
5
Person with no fixed home
7
Sudden overthrow of a government
8
Belonging to a very old period
11
Union formed for mutual benefit