横向
1
Person owned as property
4
Period of ten years
5
Object made by humans from the past
7
Movement of people to new areas
8
Formal agreement between nations
9
Medieval land-for-service system
11
Government ruled by a king or queen
13
Medieval religious military campaign
纵向
2
Ancient empire that conquered much of Europe
3
Ancient Mesoamerican civilization
4
Government by the people
6
Uprising against authority
10
Succession of rulers from same family
12
Period of one hundred years
14
Relating to the Middle Ages