Across
1
Exchange of goods between peoples
5
Uprising against authority
7
Government ruled by a king or queen
8
Sudden overthrow of a government
11
Armed conflict between nations
12
Succession of rulers from same family
Down
2
Object made by humans from the past
3
Advanced stage of human society
4
Period of ten years
6
Formal agreement between nations
9
Male monarch ruler
10
Practice of establishing foreign colonies