横向
1
Exchange of goods between peoples
4
Fundamental law of a nation
5
Union formed for mutual benefit
8
Person with no fixed home
9
Collection of traditional stories
10
Legislative body in ancient Rome
纵向
2
Handwritten historical document
3
Sudden overthrow of a government
6
Ancient Mesoamerican civilization
7
Government elected by the people
11
Alloy of copper and tin used in early tools
12
Ancient Egyptian stone monument
13
Practice of farming and growing food