Across
1
Government ruled by a king or queen
5
Deadly epidemic disease
6
Military blockade of a fortified place
8
Payment made to show submission
9
Sudden overthrow of a government
10
Advanced stage of human society
Down
2
Belonging to a very old period
3
Long and distinct period of history
4
Large territory under one ruler
6
Person owned as property
7
Period of ten years
11
Armed conflict between nations
12
Government elected by the people