Across
1
Alloy of copper and tin used in early tools
4
Object made by humans from the past
6
Ancient Egyptian ruler
8
Legislative assembly of a country
10
Sudden overthrow of a government
12
Metal that replaced bronze in tools
Down
2
Roman arena fighter
3
Practice of establishing foreign colonies
5
Period of ten years
7
Formal agreement between nations
9
Armed entry into another territory
11
Payment made to show submission