Across
1
Period of ten years
5
Government elected by the people
6
Armed entry into another territory
7
Alloy of copper and tin used in early tools
8
Formal agreement between nations
9
Deadly epidemic disease
10
Armed conflict between nations
11
Legislative assembly of a country
Down
2
Union formed for mutual benefit
3
Person who travels to discover new lands
4
Fortified medieval residence
12
Ancient Egyptian ruler