横向
1
Metal that replaced bronze in tools
3
Formal agreement between nations
4
Deadly epidemic disease
7
Ancient Egyptian picture writing
9
Belonging to a very old period
11
Relating to the Middle Ages
12
Practice of farming and growing food
纵向
2
Government elected by the people
5
Armed entry into another territory
6
Person who travels to discover new lands
8
Succession of rulers from same family
10
Period of one hundred years
13
Military conflict or fight