横向
1
Deadly epidemic disease
4
Formal agreement between nations
6
Alloy of copper and tin used in early tools
7
Advanced stage of human society
11
Medieval land-for-service system
纵向
2
Military conflict or fight
3
Sudden overthrow of a government
5
Fortified medieval residence
8
Territory controlled by another country
9
Military blockade of a fortified place
10
Period of one hundred years
12
Government ruled by a king or queen