横向
1
Advanced stage of human society
7
Person who travels to discover new lands
8
Long and distinct period of history
9
Armed conflict between nations
11
Ancient Egyptian picture writing
14
Fundamental law of a nation
15
Freedom from outside control
纵向
2
Movement of people to new areas
3
Object made by humans from the past
4
Military blockade of a fortified place
5
Person owned as property
6
Succession of rulers from same family
10
Practice of establishing foreign colonies
12
Period of one hundred years
13
Large territory under one ruler