Across
1
Metal that replaced bronze in tools
4
Period of ten years
5
Government elected by the people
6
Practice of establishing foreign colonies
9
Handwritten historical document
10
Ancient Egyptian picture writing
11
Military blockade of a fortified place
Down
2
Belonging to a very old period
3
Movement of people to new areas
7
Large territory under one ruler
8
Person owned as property
9
Relating to the Middle Ages