横向
1
Practice of farming and growing food
3
Handwritten historical document
6
Relating to the Middle Ages
7
Large territory under one ruler
8
Metal that replaced bronze in tools
10
Period of ten years
纵向
1
Union formed for mutual benefit
2
Uprising against authority
3
Government ruled by a king or queen
4
Ancient empire that conquered much of Europe
5
Exchange of goods between peoples
9
Government elected by the people
11
Formal agreement between nations