Across
1
Advanced stage of human society
6
Armed conflict between nations
8
Ancient empire that conquered much of Europe
9
Fortified medieval residence
11
Long and distinct period of history
Down
2
Large territory under one ruler
3
Alloy of copper and tin used in early tools
4
Government elected by the people
5
Armored warrior of medieval times
7
Uprising against authority
10
Succession of rulers from same family
12
Roman arena fighter