横向
1
Movement of people to new areas
6
Legislative body in ancient Rome
7
Deadly epidemic disease
8
Person with no fixed home
9
Military blockade of a fortified place
11
Practice of establishing foreign colonies
12
Armed entry into another territory
纵向
2
Belonging to a very old period
3
Person who travels to discover new lands
4
Advanced stage of human society
5
Ancient Egyptian ruler
10
Government ruled by a king or queen