横向
1
Metal that replaced bronze in tools
3
Government ruled by a king or queen
4
Long and distinct period of history
5
Large territory under one ruler
6
Ancient Egyptian picture writing
8
Formal agreement between nations
11
Uprising against authority
纵向
2
Roman arena fighter
3
Handwritten historical document
7
Medieval land-for-service system
9
Armored warrior of medieval times
10
Military conflict or fight
12
Ancient empire that conquered much of Europe