横向
1
Advanced stage of human society
8
Union formed for mutual benefit
10
Government by the people
纵向
2
Handwritten historical document
3
Person who travels to discover new lands
4
Medieval land-for-service system
5
Sudden overthrow of a government
6
Fundamental law of a nation
7
Period of one hundred years
9
Movement of people to new areas
11
Practice of farming and growing food