横向
1
Person who travels to discover new lands
6
Metal that replaced bronze in tools
7
Deadly epidemic disease
8
Formal agreement between nations
9
Medieval religious military campaign
纵向
2
Territory controlled by another country
3
Roman arena fighter
4
Uprising against authority
5
Government ruled by a king or queen
10
Large territory under one ruler
11
Armed entry into another territory
12
Person with no fixed home