横向
1
Union formed for mutual benefit
5
Fundamental law of a nation
7
Belonging to a very old period
8
Handwritten historical document
9
Succession of rulers from same family
10
Person with no fixed home
11
Person who travels to discover new lands
12
Practice of establishing foreign colonies
纵向
2
Freedom from outside control
3
Exchange of goods between peoples
4
Metal that replaced bronze in tools
6
Legislative body in ancient Rome
13
Ancient empire that conquered much of Europe