横向
1
Armed entry into another territory
6
Person with no fixed home
7
Ancient empire that conquered much of Europe
8
Deadly epidemic disease
9
Formal agreement between nations
10
Male monarch ruler
12
Period of one hundred years
13
Advanced stage of human society
纵向
2
Period of ten years
3
Relating to the Middle Ages
4
Movement of people to new areas
5
Belonging to a very old period
11
Person owned as property
14
Government ruled by a king or queen
