横向
1
Government by the people
5
Object made by humans from the past
7
Government ruled by a king or queen
8
Medieval land-for-service system
10
Formal agreement between nations
纵向
1
Period of ten years
2
Military conflict or fight
3
Metal that replaced bronze in tools
4
Ancient Mesoamerican civilization
6
Collection of traditional stories
9
Large territory under one ruler