横向
1
Object made by humans from the past
4
Fortified medieval residence
7
Metal that replaced bronze in tools
9
Succession of rulers from same family
10
Medieval religious military campaign
纵向
2
Movement of people to new areas
3
Practice of establishing foreign colonies
4
Advanced stage of human society
5
Collection of traditional stories
6
Ancient Egyptian picture writing
7
Armed entry into another territory
8
Long and distinct period of history