横向
1
Period of ten years
5
Medieval religious military campaign
6
Government elected by the people
7
Relating to the Middle Ages
8
Large territory under one ruler
11
Succession of rulers from same family
纵向
2
Medieval land-for-service system
3
Person who buys and sells goods
4
Long and distinct period of history
9
Person owned as property
10
Practice of establishing foreign colonies
12
Armed conflict between nations
13
Ancient Mesoamerican civilization
14
Formal agreement between nations
15
Territory controlled by another country