横向
1
Alloy of copper and tin used in early tools
5
Fortified medieval residence
6
Long and distinct period of history
7
Collection of traditional stories
8
Metal that replaced bronze in tools
14
Ancient empire that conquered much of Europe
15
Person owned as property
纵向
2
Practice of farming and growing food
3
Government by the people
4
Legislative body in ancient Rome
9
Practice of establishing foreign colonies
10
Government ruled by a king or queen
11
Ancient Egyptian picture writing
12
Union formed for mutual benefit
13
Uprising against authority