横向
1
Roman arena fighter
2
Metal that replaced bronze in tools
3
Government ruled by a king or queen
5
Government elected by the people
6
Movement of people to new areas
8
Long and distinct period of history
9
Formal agreement between nations
10
Military conflict or fight
11
Union formed for mutual benefit
纵向
2
Freedom from outside control
3
Relating to the Middle Ages
4
Large territory under one ruler
7
Person with no fixed home
12
Person owned as property
13
Fortified medieval residence