横向
1
Payment made to show submission
4
Relating to the Middle Ages
5
Practice of establishing foreign colonies
6
Alloy of copper and tin used in early tools
8
Movement of people to new areas
9
Government ruled by a king or queen
11
Fundamental law of a nation
12
Freedom from outside control
纵向
2
Armed conflict between nations
3
Large territory under one ruler
7
Advanced stage of human society
10
Formal agreement between nations
13
Medieval land-for-service system
14
Legislative body in ancient Rome