Across
1
Movement of people to new areas
7
Sudden overthrow of a government
8
Belonging to a very old period
10
Advanced stage of human society
11
Period of one hundred years
Down
2
Uprising against authority
3
Large territory under one ruler
4
Male monarch ruler
5
Government elected by the people
6
Metal that replaced bronze in tools
9
Armed entry into another territory
12
Freedom from outside control