横向
1
Period of ten years
4
Union formed for mutual benefit
5
Relating to the Middle Ages
6
Freedom from outside control
7
Medieval land-for-service system
8
Belonging to a very old period
9
Government elected by the people
10
Fundamental law of a nation
11
Long and distinct period of history
纵向
2
Advanced stage of human society
3
Sudden overthrow of a government
4
Practice of farming and growing food
12
Person who buys and sells goods