横向
1
Practice of establishing foreign colonies
3
Government ruled by a king or queen
6
Ancient empire that conquered much of Europe
7
Fortified medieval residence
8
Deadly epidemic disease
10
Union formed for mutual benefit
纵向
2
Period of ten years
3
Movement of people to new areas
4
Legislative body in ancient Rome
5
Person with no fixed home
7
Medieval religious military campaign
9
Relating to the Middle Ages
11
Person who travels to discover new lands