Across
1
Movement of people to new areas
3
Ancient Egyptian ruler
4
Formal agreement between nations
5
Ancient empire that conquered much of Europe
6
Alloy of copper and tin used in early tools
7
Government elected by the people
12
Object made by humans from the past
Down
2
Period of ten years
3
Legislative assembly of a country
8
Freedom from outside control
9
Government by the people
10
Military blockade of a fortified place
11
Military conflict or fight
13
Armed conflict between nations