横向
1
Military blockade of a fortified place
5
Fortified medieval residence
6
Armored warrior of medieval times
9
Payment made to show submission
10
Ancient empire that conquered much of Europe
11
Government by the people
12
Exchange of goods between peoples
纵向
2
Handwritten historical document
3
Period of one hundred years
4
Deadly epidemic disease
7
Advanced stage of human society
8
Sudden overthrow of a government