Across
1
Government elected by the people
5
Period of ten years
6
Object made by humans from the past
7
Government by the people
9
Military blockade of a fortified place
10
Armed entry into another territory
11
Relating to the Middle Ages
12
Sudden overthrow of a government
Down
2
Advanced stage of human society
3
Armed conflict between nations
4
Practice of establishing foreign colonies
8
Legislative assembly of a country