Across
1
Formal agreement between nations
4
Roman arena fighter
5
Belonging to a very old period
8
Object made by humans from the past
9
Sudden overthrow of a government
11
Government ruled by a king or queen
12
Large territory under one ruler
Down
2
Armed entry into another territory
3
Government by the people
6
Alloy of copper and tin used in early tools
7
Fundamental law of a nation
10
Uprising against authority
13
Metal that replaced bronze in tools