横向
1
Belonging to a very old period
6
Union formed for mutual benefit
7
Alloy of copper and tin used in early tools
8
Period of one hundred years
9
Government by the people
10
Medieval land-for-service system
11
Legislative body in ancient Rome
纵向
2
Military conflict or fight
3
Person with no fixed home
4
Sudden overthrow of a government
5
Object made by humans from the past
12
Period of ten years