横向
1
Sudden overthrow of a government
4
Period of ten years
7
Metal that replaced bronze in tools
8
Ancient Egyptian stone monument
10
Payment made to show submission
11
Ancient Egyptian picture writing
12
Person who travels to discover new lands
纵向
2
Long and distinct period of history
3
Territory controlled by another country
5
Ancient empire that conquered much of Europe
6
Deadly epidemic disease
9
Object made by humans from the past
13
Person with no fixed home