横向
1
Person who travels to discover new lands
6
Payment made to show submission
7
Male monarch ruler
9
Formal agreement between nations
10
Armed entry into another territory
纵向
2
Metal that replaced bronze in tools
3
Deadly epidemic disease
4
Ancient Egyptian picture writing
5
Period of ten years
8
Practice of establishing foreign colonies
11
Armored warrior of medieval times
12
Government ruled by a king or queen