横向
1
Armed conflict between nations
3
Sudden overthrow of a government
6
Payment made to show submission
8
Ancient empire that conquered much of Europe
9
Freedom from outside control
10
Person with no fixed home
纵向
2
Ancient Egyptian stone monument
4
Movement of people to new areas
5
Fortified medieval residence
6
Formal agreement between nations
7
Belonging to a very old period
11
Advanced stage of human society
12
Person who buys and sells goods
13
Handwritten historical document