横向
1
Government elected by the people
6
Ancient empire that conquered much of Europe
7
Advanced stage of human society
8
Metal that replaced bronze in tools
9
Object made by humans from the past
10
Legislative body in ancient Rome
11
Fundamental law of a nation
纵向
1
Sudden overthrow of a government
2
Union formed for mutual benefit
3
Handwritten historical document
4
Person who travels to discover new lands
5
Period of one hundred years