横向
1
Armed conflict between nations
3
Medieval land-for-service system
5
Long and distinct period of history
6
Armored warrior of medieval times
7
Deadly epidemic disease
11
Medieval religious military campaign
纵向
2
Period of one hundred years
4
Government elected by the people
8
Person who buys and sells goods
9
Ancient Mesoamerican civilization
10
Military blockade of a fortified place