Across
1
Sudden overthrow of a government
6
Roman arena fighter
7
Formal agreement between nations
8
Period of ten years
11
Government ruled by a king or queen
Down
2
Alloy of copper and tin used in early tools
3
Military blockade of a fortified place
4
Metal that replaced bronze in tools
5
Practice of farming and growing food
9
Handwritten historical document
10
Person with no fixed home
12
Fundamental law of a nation