横向
1
Freedom from outside control
8
Metal that replaced bronze in tools
9
Long and distinct period of history
10
Movement of people to new areas
11
Ancient Egyptian ruler
12
Alloy of copper and tin used in early tools
13
Male monarch ruler
纵向
2
Practice of farming and growing food
3
Exchange of goods between peoples
4
Fortified medieval residence
5
Person who travels to discover new lands
6
Object made by humans from the past
7
Ancient Egyptian stone monument
14
Succession of rulers from same family