Across
1
Relating to the Middle Ages
4
Metal that replaced bronze in tools
5
Freedom from outside control
8
Practice of establishing foreign colonies
9
Military blockade of a fortified place
Down
2
Legislative body in ancient Rome
3
Legislative assembly of a country
6
Roman arena fighter
7
Government ruled by a king or queen
10
Period of ten years
11
Ancient Egyptian stone monument
12
Ancient empire that conquered much of Europe
13
Sudden overthrow of a government
14
Large territory under one ruler
15
Belonging to a very old period