Across
1
Ancient Egyptian ruler
4
Large territory under one ruler
6
Formal agreement between nations
8
Armed entry into another territory
10
Metal that replaced bronze in tools
11
Military blockade of a fortified place
12
Person with no fixed home
Down
2
Government elected by the people
3
Legislative assembly of a country
5
Roman arena fighter
7
Union formed for mutual benefit
9
Exchange of goods between peoples
13
Person who buys and sells goods