横向
1
Ancient Mesoamerican civilization
4
Long and distinct period of history
5
Relating to the Middle Ages
6
Person owned as property
8
Succession of rulers from same family
9
Uprising against authority
10
Ancient empire that conquered much of Europe
11
Period of ten years
纵向
2
Object made by humans from the past
3
Formal agreement between nations
7
Deadly epidemic disease