横向
1
Ancient Mesoamerican civilization
3
Period of ten years
4
Medieval land-for-service system
5
Metal that replaced bronze in tools
8
Roman arena fighter
9
Collection of traditional stories
10
Fundamental law of a nation
12
Movement of people to new areas
纵向
1
Government ruled by a king or queen
2
Legislative assembly of a country
6
Medieval religious military campaign
7
Advanced stage of human society
11
Military blockade of a fortified place