横向
1
Armed entry into another territory
6
Relating to the Middle Ages
7
Government ruled by a king or queen
8
Territory controlled by another country
10
Government elected by the people
纵向
2
Sudden overthrow of a government
3
Deadly epidemic disease
4
Military blockade of a fortified place
5
Metal that replaced bronze in tools
9
Advanced stage of human society
11
Medieval religious military campaign
