Across
1
Large territory under one ruler
4
Metal that replaced bronze in tools
5
Person with no fixed home
6
Armed entry into another territory
7
Succession of rulers from same family
9
Advanced stage of human society
12
Government by the people
Down
2
Government elected by the people
3
Government ruled by a king or queen
8
Practice of establishing foreign colonies
10
Alloy of copper and tin used in early tools
11
Fortified medieval residence