横向
1
Handwritten historical document
6
Relating to the Middle Ages
8
Deadly epidemic disease
9
Medieval land-for-service system
10
Long and distinct period of history
纵向
2
Male monarch ruler
3
Practice of establishing foreign colonies
4
Period of ten years
5
Government elected by the people
7
Sudden overthrow of a government
11
Person who travels to discover new lands
12
Ancient Mesoamerican civilization
13
Union formed for mutual benefit